1247620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 2939328

約数和(自身を除く): 1691708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 107, 110, 212, 214, 220, 265, 428, 530, 535, 583, 1060, 1070, 1166, 1177, 2140, 2332, 2354, 2915, 4708, 5671, 5830, 5885, 11342, 11660, 11770, 22684, 23540, 28355, 56710, 62381, 113420, 124762, 249524, 311905, 623810, 1247620]

約数ペア:

[(1, 1247620), (2, 623810), (4, 311905), (5, 249524), (10, 124762), (11, 113420), (20, 62381), (22, 56710), (44, 28355), (53, 23540), (55, 22684), (106, 11770), (107, 11660), (110, 11342), (212, 5885), (214, 5830), (220, 5671), (265, 4708), (428, 2915), (530, 2354), (535, 2332), (583, 2140), (1060, 1177), (1070, 1166)]