397131840

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{19699}}^1$

素因数の和:19729

約数の個数: 168

約数和(自身を含む): 1561185600

約数和(自身を除く): 1164053760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 19699, 20160, 39398, 59097, 78796, 98495, 118194, 137893, 157592, 177291, 196990, 236388, 275786, 295485, 315184, 354582, 393980, 413679, 472776, 551572, 590970, 630368, 689465, 709164, 787960, 827358, 886455, 945552, 1103144, 1181940, 1241037, 1260736, 1378930, 1418328, 1575920, 1654716, 1772910, 1891104, 2068395, 2206288, 2363880, 2482074, 2757860, 2836656, 3151840, 3309432, 3545820, 3782208, 4136790, 4412576, 4727760, 4964148, 5515720, 5673312, 6205185, 6303680, 6618864, 7091640, 8273580, 8825152, 9455520, 9928296, 11031440, 11346624, 12410370, 13237728, 14183280, 16547160, 18911040, 19856592, 22062880, 24820740, 26475456, 28366560, 33094320, 39713184, 44125760, 49641480, 56733120, 66188640, 79426368, 99282960, 132377280, 198565920, 397131840]

約数ペア:

[(1, 397131840), (2, 198565920), (3, 132377280), (4, 99282960), (5, 79426368), (6, 66188640), (7, 56733120), (8, 49641480), (9, 44125760), (10, 39713184), (12, 33094320), (14, 28366560), (15, 26475456), (16, 24820740), (18, 22062880), (20, 19856592), (21, 18911040), (24, 16547160), (28, 14183280), (30, 13237728), (32, 12410370), (35, 11346624), (36, 11031440), (40, 9928296), (42, 9455520), (45, 8825152), (48, 8273580), (56, 7091640), (60, 6618864), (63, 6303680), (64, 6205185), (70, 5673312), (72, 5515720), (80, 4964148), (84, 4727760), (90, 4412576), (96, 4136790), (105, 3782208), (112, 3545820), (120, 3309432), (126, 3151840), (140, 2836656), (144, 2757860), (160, 2482074), (168, 2363880), (180, 2206288), (192, 2068395), (210, 1891104), (224, 1772910), (240, 1654716), (252, 1575920), (280, 1418328), (288, 1378930), (315, 1260736), (320, 1241037), (336, 1181940), (360, 1103144), (420, 945552), (448, 886455), (480, 827358), (504, 787960), (560, 709164), (576, 689465), (630, 630368), (672, 590970), (720, 551572), (840, 472776), (960, 413679), (1008, 393980), (1120, 354582), (1260, 315184), (1344, 295485), (1440, 275786), (1680, 236388), (2016, 196990), (2240, 177291), (2520, 157592), (2880, 137893), (3360, 118194), (4032, 98495), (5040, 78796), (6720, 59097), (10080, 39398), (19699, 20160)]