212440910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^4\times {\mathrm{1451}}^1$

素因数の和:1502

約数の個数: 40

約数和(自身を含む): 420920280

約数和(自身を除く): 208479370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1451, 2662, 2902, 6655, 7255, 13310, 14510, 14641, 15961, 29282, 31922, 73205, 79805, 146410, 159610, 175571, 351142, 877855, 1755710, 1931281, 3862562, 9656405, 19312810, 21244091, 42488182, 106220455, 212440910]

約数ペア:

[(1, 212440910), (2, 106220455), (5, 42488182), (10, 21244091), (11, 19312810), (22, 9656405), (55, 3862562), (110, 1931281), (121, 1755710), (242, 877855), (605, 351142), (1210, 175571), (1331, 159610), (1451, 146410), (2662, 79805), (2902, 73205), (6655, 31922), (7255, 29282), (13310, 15961), (14510, 14641)]