140567020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20611}}^1$

素因数の和:20662

約数の個数: 48

約数和(自身を含む): 332430336

約数和(自身を除く): 191863316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 20611, 41222, 82444, 103055, 206110, 226721, 412220, 453442, 638941, 906884, 1133605, 1277882, 2267210, 2555764, 3194705, 4534420, 6389410, 7028351, 12778820, 14056702, 28113404, 35141755, 70283510, 140567020]

約数ペア:

[(1, 140567020), (2, 70283510), (4, 35141755), (5, 28113404), (10, 14056702), (11, 12778820), (20, 7028351), (22, 6389410), (31, 4534420), (44, 3194705), (55, 2555764), (62, 2267210), (110, 1277882), (124, 1133605), (155, 906884), (220, 638941), (310, 453442), (341, 412220), (620, 226721), (682, 206110), (1364, 103055), (1705, 82444), (3410, 41222), (6820, 20611)]