3974740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 10886400

約数和(自身を除く): 6911660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 89, 110, 116, 140, 145, 154, 178, 203, 220, 290, 308, 319, 356, 385, 406, 445, 580, 623, 638, 770, 812, 890, 979, 1015, 1246, 1276, 1540, 1595, 1780, 1958, 2030, 2233, 2492, 2581, 3115, 3190, 3916, 4060, 4466, 4895, 5162, 6230, 6380, 6853, 8932, 9790, 10324, 11165, 12460, 12905, 13706, 18067, 19580, 22330, 25810, 27412, 28391, 34265, 36134, 44660, 51620, 56782, 68530, 72268, 90335, 113564, 137060, 141955, 180670, 198737, 283910, 361340, 397474, 567820, 794948, 993685, 1987370, 3974740]

約数ペア:

[(1, 3974740), (2, 1987370), (4, 993685), (5, 794948), (7, 567820), (10, 397474), (11, 361340), (14, 283910), (20, 198737), (22, 180670), (28, 141955), (29, 137060), (35, 113564), (44, 90335), (55, 72268), (58, 68530), (70, 56782), (77, 51620), (89, 44660), (110, 36134), (116, 34265), (140, 28391), (145, 27412), (154, 25810), (178, 22330), (203, 19580), (220, 18067), (290, 13706), (308, 12905), (319, 12460), (356, 11165), (385, 10324), (406, 9790), (445, 8932), (580, 6853), (623, 6380), (638, 6230), (770, 5162), (812, 4895), (890, 4466), (979, 4060), (1015, 3916), (1246, 3190), (1276, 3115), (1540, 2581), (1595, 2492), (1780, 2233), (1958, 2030)]