212553640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2707}}^1$

素因数の和:2882

約数の個数: 64

約数和(自身を含む): 518636160

約数和(自身を除く): 306082520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 151, 260, 302, 520, 604, 755, 1208, 1510, 1963, 2707, 3020, 3926, 5414, 6040, 7852, 9815, 10828, 13535, 15704, 19630, 21656, 27070, 35191, 39260, 54140, 70382, 78520, 108280, 140764, 175955, 281528, 351910, 408757, 703820, 817514, 1407640, 1635028, 2043785, 3270056, 4087570, 5313841, 8175140, 10627682, 16350280, 21255364, 26569205, 42510728, 53138410, 106276820, 212553640]

約数ペア:

[(1, 212553640), (2, 106276820), (4, 53138410), (5, 42510728), (8, 26569205), (10, 21255364), (13, 16350280), (20, 10627682), (26, 8175140), (40, 5313841), (52, 4087570), (65, 3270056), (104, 2043785), (130, 1635028), (151, 1407640), (260, 817514), (302, 703820), (520, 408757), (604, 351910), (755, 281528), (1208, 175955), (1510, 140764), (1963, 108280), (2707, 78520), (3020, 70382), (3926, 54140), (5414, 39260), (6040, 35191), (7852, 27070), (9815, 21656), (10828, 19630), (13535, 15704)]