400428000

素因数分解:

$2^5\times 3^2\times 5^3\times 7^2\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 432

約数和(自身を含む): 1660420944

約数和(自身を除く): 1259992944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 96, 98, 100, 105, 112, 120, 125, 126, 140, 144, 147, 150, 160, 168, 175, 180, 196, 200, 210, 224, 225, 227, 240, 245, 250, 252, 280, 288, 294, 300, 315, 336, 350, 360, 375, 392, 400, 420, 441, 450, 454, 480, 490, 500, 504, 525, 560, 588, 600, 630, 672, 681, 700, 720, 735, 750, 784, 800, 840, 875, 882, 900, 908, 980, 1000, 1008, 1050, 1120, 1125, 1135, 1176, 1200, 1225, 1260, 1362, 1400, 1440, 1470, 1500, 1568, 1575, 1589, 1680, 1750, 1764, 1800, 1816, 1960, 2000, 2016, 2043, 2100, 2205, 2250, 2270, 2352, 2400, 2450, 2520, 2625, 2724, 2800, 2940, 3000, 3150, 3178, 3360, 3405, 3500, 3528, 3600, 3632, 3675, 3920, 4000, 4086, 4200, 4410, 4500, 4540, 4704, 4767, 4900, 5040, 5250, 5448, 5600, 5675, 5880, 6000, 6125, 6300, 6356, 6810, 7000, 7056, 7200, 7264, 7350, 7840, 7875, 7945, 8172, 8400, 8820, 9000, 9080, 9534, 9800, 10080, 10215, 10500, 10896, 11025, 11123, 11350, 11760, 12000, 12250, 12600, 12712, 13620, 14000, 14112, 14301, 14700, 15750, 15890, 16344, 16800, 17025, 17640, 18000, 18160, 18375, 19068, 19600, 20430, 21000, 21792, 22050, 22246, 22700, 23520, 23835, 24500, 25200, 25424, 27240, 28000, 28375, 28602, 29400, 31500, 31780, 32688, 33369, 34050, 35280, 36000, 36320, 36750, 38136, 39200, 39725, 40860, 42000, 44100, 44492, 45400, 47670, 49000, 50400, 50848, 51075, 54480, 55125, 55615, 56750, 57204, 58800, 63000, 63560, 65376, 66738, 68100, 70560, 71505, 73500, 76272, 79450, 81720, 84000, 85125, 88200, 88984, 90800, 95340, 98000, 100107, 102150, 108960, 110250, 111230, 113500, 114408, 117600, 119175, 126000, 127120, 133476, 136200, 143010, 147000, 152544, 158900, 163440, 166845, 170250, 176400, 177968, 181600, 190680, 196000, 198625, 200214, 204300, 220500, 222460, 227000, 228816, 238350, 252000, 254240, 255375, 266952, 272400, 278075, 286020, 294000, 317800, 326880, 333690, 340500, 352800, 355936, 357525, 381360, 397250, 400428, 408600, 441000, 444920, 454000, 457632, 476700, 500535, 510750, 533904, 544800, 556150, 572040, 588000, 595875, 635600, 667380, 681000, 715050, 762720, 794500, 800856, 817200, 834225, 882000, 889840, 908000, 953400, 1001070, 1021500, 1067808, 1112300, 1144080, 1191750, 1271200, 1334760, 1362000, 1390375, 1430100, 1589000, 1601712, 1634400, 1668450, 1764000, 1779680, 1787625, 1906800, 2002140, 2043000, 2224600, 2288160, 2383500, 2502675, 2669520, 2724000, 2780750, 2860200, 3178000, 3203424, 3336900, 3575250, 3813600, 4004280, 4086000, 4171125, 4449200, 4767000, 5005350, 5339040, 5561500, 5720400, 6356000, 6673800, 7150500, 8008560, 8172000, 8342250, 8898400, 9534000, 10010700, 11123000, 11440800, 12513375, 13347600, 14301000, 16017120, 16684500, 19068000, 20021400, 22246000, 25026750, 26695200, 28602000, 33369000, 40042800, 44492000, 50053500, 57204000, 66738000, 80085600, 100107000, 133476000, 200214000, 400428000]

約数ペア:

[(1, 400428000), (2, 200214000), (3, 133476000), (4, 100107000), (5, 80085600), (6, 66738000), (7, 57204000), (8, 50053500), (9, 44492000), (10, 40042800), (12, 33369000), (14, 28602000), (15, 26695200), (16, 25026750), (18, 22246000), (20, 20021400), (21, 19068000), (24, 16684500), (25, 16017120), (28, 14301000), (30, 13347600), (32, 12513375), (35, 11440800), (36, 11123000), (40, 10010700), (42, 9534000), (45, 8898400), (48, 8342250), (49, 8172000), (50, 8008560), (56, 7150500), (60, 6673800), (63, 6356000), (70, 5720400), (72, 5561500), (75, 5339040), (80, 5005350), (84, 4767000), (90, 4449200), (96, 4171125), (98, 4086000), (100, 4004280), (105, 3813600), (112, 3575250), (120, 3336900), (125, 3203424), (126, 3178000), (140, 2860200), (144, 2780750), (147, 2724000), (150, 2669520), (160, 2502675), (168, 2383500), (175, 2288160), (180, 2224600), (196, 2043000), (200, 2002140), (210, 1906800), (224, 1787625), (225, 1779680), (227, 1764000), (240, 1668450), (245, 1634400), (250, 1601712), (252, 1589000), (280, 1430100), (288, 1390375), (294, 1362000), (300, 1334760), (315, 1271200), (336, 1191750), (350, 1144080), (360, 1112300), (375, 1067808), (392, 1021500), (400, 1001070), (420, 953400), (441, 908000), (450, 889840), (454, 882000), (480, 834225), (490, 817200), (500, 800856), (504, 794500), (525, 762720), (560, 715050), (588, 681000), (600, 667380), (630, 635600), (672, 595875), (681, 588000), (700, 572040), (720, 556150), (735, 544800), (750, 533904), (784, 510750), (800, 500535), (840, 476700), (875, 457632), (882, 454000), (900, 444920), (908, 441000), (980, 408600), (1000, 400428), (1008, 397250), (1050, 381360), (1120, 357525), (1125, 355936), (1135, 352800), (1176, 340500), (1200, 333690), (1225, 326880), (1260, 317800), (1362, 294000), (1400, 286020), (1440, 278075), (1470, 272400), (1500, 266952), (1568, 255375), (1575, 254240), (1589, 252000), (1680, 238350), (1750, 228816), (1764, 227000), (1800, 222460), (1816, 220500), (1960, 204300), (2000, 200214), (2016, 198625), (2043, 196000), (2100, 190680), (2205, 181600), (2250, 177968), (2270, 176400), (2352, 170250), (2400, 166845), (2450, 163440), (2520, 158900), (2625, 152544), (2724, 147000), (2800, 143010), (2940, 136200), (3000, 133476), (3150, 127120), (3178, 126000), (3360, 119175), (3405, 117600), (3500, 114408), (3528, 113500), (3600, 111230), (3632, 110250), (3675, 108960), (3920, 102150), (4000, 100107), (4086, 98000), (4200, 95340), (4410, 90800), (4500, 88984), (4540, 88200), (4704, 85125), (4767, 84000), (4900, 81720), (5040, 79450), (5250, 76272), (5448, 73500), (5600, 71505), (5675, 70560), (5880, 68100), (6000, 66738), (6125, 65376), (6300, 63560), (6356, 63000), (6810, 58800), (7000, 57204), (7056, 56750), (7200, 55615), (7264, 55125), (7350, 54480), (7840, 51075), (7875, 50848), (7945, 50400), (8172, 49000), (8400, 47670), (8820, 45400), (9000, 44492), (9080, 44100), (9534, 42000), (9800, 40860), (10080, 39725), (10215, 39200), (10500, 38136), (10896, 36750), (11025, 36320), (11123, 36000), (11350, 35280), (11760, 34050), (12000, 33369), (12250, 32688), (12600, 31780), (12712, 31500), (13620, 29400), (14000, 28602), (14112, 28375), (14301, 28000), (14700, 27240), (15750, 25424), (15890, 25200), (16344, 24500), (16800, 23835), (17025, 23520), (17640, 22700), (18000, 22246), (18160, 22050), (18375, 21792), (19068, 21000), (19600, 20430)]