53829140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 122750880

約数和(自身を除く): 68921740

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 139, 170, 268, 278, 289, 335, 340, 556, 578, 670, 695, 1139, 1156, 1340, 1390, 1445, 2278, 2363, 2780, 2890, 4556, 4726, 5695, 5780, 9313, 9452, 11390, 11815, 18626, 19363, 22780, 23630, 37252, 38726, 40171, 46565, 47260, 77452, 80342, 93130, 96815, 158321, 160684, 186260, 193630, 200855, 316642, 387260, 401710, 633284, 791605, 803420, 1583210, 2691457, 3166420, 5382914, 10765828, 13457285, 26914570, 53829140]

約数ペア:

[(1, 53829140), (2, 26914570), (4, 13457285), (5, 10765828), (10, 5382914), (17, 3166420), (20, 2691457), (34, 1583210), (67, 803420), (68, 791605), (85, 633284), (134, 401710), (139, 387260), (170, 316642), (268, 200855), (278, 193630), (289, 186260), (335, 160684), (340, 158321), (556, 96815), (578, 93130), (670, 80342), (695, 77452), (1139, 47260), (1156, 46565), (1340, 40171), (1390, 38726), (1445, 37252), (2278, 23630), (2363, 22780), (2780, 19363), (2890, 18626), (4556, 11815), (4726, 11390), (5695, 9452), (5780, 9313)]