247693640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{3187}}^1$

素因数の和:3294

約数の個数: 64

約数和(自身を含む): 585316800

約数和(自身を除く): 337623160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 67, 116, 134, 145, 232, 268, 290, 335, 536, 580, 670, 1160, 1340, 1943, 2680, 3187, 3886, 6374, 7772, 9715, 12748, 15544, 15935, 19430, 25496, 31870, 38860, 63740, 77720, 92423, 127480, 184846, 213529, 369692, 427058, 462115, 739384, 854116, 924230, 1067645, 1708232, 1848460, 2135290, 3696920, 4270580, 6192341, 8541160, 12384682, 24769364, 30961705, 49538728, 61923410, 123846820, 247693640]

約数ペア:

[(1, 247693640), (2, 123846820), (4, 61923410), (5, 49538728), (8, 30961705), (10, 24769364), (20, 12384682), (29, 8541160), (40, 6192341), (58, 4270580), (67, 3696920), (116, 2135290), (134, 1848460), (145, 1708232), (232, 1067645), (268, 924230), (290, 854116), (335, 739384), (536, 462115), (580, 427058), (670, 369692), (1160, 213529), (1340, 184846), (1943, 127480), (2680, 92423), (3187, 77720), (3886, 63740), (6374, 38860), (7772, 31870), (9715, 25496), (12748, 19430), (15544, 15935)]