400220800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1099

約数の個数: 192

約数和(自身を含む): 1197512640

約数和(自身を除く): 797291840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 64, 68, 70, 80, 85, 100, 112, 119, 128, 136, 140, 160, 170, 175, 200, 224, 238, 272, 280, 320, 340, 350, 400, 425, 448, 476, 544, 560, 595, 640, 680, 700, 800, 850, 896, 952, 1051, 1088, 1120, 1190, 1360, 1400, 1600, 1700, 1904, 2102, 2176, 2240, 2380, 2720, 2800, 2975, 3200, 3400, 3808, 4204, 4480, 4760, 5255, 5440, 5600, 5950, 6800, 7357, 7616, 8408, 9520, 10510, 10880, 11200, 11900, 13600, 14714, 15232, 16816, 17867, 19040, 21020, 22400, 23800, 26275, 27200, 29428, 33632, 35734, 36785, 38080, 42040, 47600, 52550, 54400, 58856, 67264, 71468, 73570, 76160, 84080, 89335, 95200, 105100, 117712, 125069, 134528, 142936, 147140, 168160, 178670, 183925, 190400, 210200, 235424, 250138, 285872, 294280, 336320, 357340, 367850, 380800, 420400, 446675, 470848, 500276, 571744, 588560, 625345, 672640, 714680, 735700, 840800, 893350, 941696, 1000552, 1143488, 1177120, 1250690, 1429360, 1471400, 1681600, 1786700, 2001104, 2286976, 2354240, 2501380, 2858720, 2942800, 3126725, 3363200, 3573400, 4002208, 4708480, 5002760, 5717440, 5885600, 6253450, 7146800, 8004416, 10005520, 11434880, 11771200, 12506900, 14293600, 16008832, 20011040, 23542400, 25013800, 28587200, 40022080, 50027600, 57174400, 80044160, 100055200, 200110400, 400220800]

約数ペア:

[(1, 400220800), (2, 200110400), (4, 100055200), (5, 80044160), (7, 57174400), (8, 50027600), (10, 40022080), (14, 28587200), (16, 25013800), (17, 23542400), (20, 20011040), (25, 16008832), (28, 14293600), (32, 12506900), (34, 11771200), (35, 11434880), (40, 10005520), (50, 8004416), (56, 7146800), (64, 6253450), (68, 5885600), (70, 5717440), (80, 5002760), (85, 4708480), (100, 4002208), (112, 3573400), (119, 3363200), (128, 3126725), (136, 2942800), (140, 2858720), (160, 2501380), (170, 2354240), (175, 2286976), (200, 2001104), (224, 1786700), (238, 1681600), (272, 1471400), (280, 1429360), (320, 1250690), (340, 1177120), (350, 1143488), (400, 1000552), (425, 941696), (448, 893350), (476, 840800), (544, 735700), (560, 714680), (595, 672640), (640, 625345), (680, 588560), (700, 571744), (800, 500276), (850, 470848), (896, 446675), (952, 420400), (1051, 380800), (1088, 367850), (1120, 357340), (1190, 336320), (1360, 294280), (1400, 285872), (1600, 250138), (1700, 235424), (1904, 210200), (2102, 190400), (2176, 183925), (2240, 178670), (2380, 168160), (2720, 147140), (2800, 142936), (2975, 134528), (3200, 125069), (3400, 117712), (3808, 105100), (4204, 95200), (4480, 89335), (4760, 84080), (5255, 76160), (5440, 73570), (5600, 71468), (5950, 67264), (6800, 58856), (7357, 54400), (7616, 52550), (8408, 47600), (9520, 42040), (10510, 38080), (10880, 36785), (11200, 35734), (11900, 33632), (13600, 29428), (14714, 27200), (15232, 26275), (16816, 23800), (17867, 22400), (19040, 21020)]