247177580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2999}}^1$

素因数の和:3338

約数の個数: 48

約数和(自身を含む): 560952000

約数和(自身を除く): 313774420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 317, 634, 1268, 1585, 2999, 3170, 4121, 5998, 6340, 8242, 11996, 14995, 16484, 20605, 29990, 38987, 41210, 59980, 77974, 82420, 155948, 194935, 389870, 779740, 950683, 1901366, 3802732, 4753415, 9506830, 12358879, 19013660, 24717758, 49435516, 61794395, 123588790, 247177580]

約数ペア:

[(1, 247177580), (2, 123588790), (4, 61794395), (5, 49435516), (10, 24717758), (13, 19013660), (20, 12358879), (26, 9506830), (52, 4753415), (65, 3802732), (130, 1901366), (260, 950683), (317, 779740), (634, 389870), (1268, 194935), (1585, 155948), (2999, 82420), (3170, 77974), (4121, 59980), (5998, 41210), (6340, 38987), (8242, 29990), (11996, 20605), (14995, 16484)]