77893420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 185251248

約数和(自身を除く): 107357828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 421, 580, 638, 841, 842, 1276, 1595, 1682, 1684, 2105, 3190, 3364, 4205, 4210, 4631, 6380, 8410, 8420, 9251, 9262, 12209, 16820, 18502, 18524, 23155, 24418, 37004, 46255, 46310, 48836, 61045, 92510, 92620, 122090, 134299, 185020, 244180, 268598, 354061, 537196, 671495, 708122, 1342990, 1416244, 1770305, 2685980, 3540610, 3894671, 7081220, 7789342, 15578684, 19473355, 38946710, 77893420]

約数ペア:

[(1, 77893420), (2, 38946710), (4, 19473355), (5, 15578684), (10, 7789342), (11, 7081220), (20, 3894671), (22, 3540610), (29, 2685980), (44, 1770305), (55, 1416244), (58, 1342990), (110, 708122), (116, 671495), (145, 537196), (220, 354061), (290, 268598), (319, 244180), (421, 185020), (580, 134299), (638, 122090), (841, 92620), (842, 92510), (1276, 61045), (1595, 48836), (1682, 46310), (1684, 46255), (2105, 37004), (3190, 24418), (3364, 23155), (4205, 18524), (4210, 18502), (4631, 16820), (6380, 12209), (8410, 9262), (8420, 9251)]