311946140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{8699}}^1$

素因数の和:8882

約数の個数: 48

約数和(自身を含む): 719107200

約数和(自身を除く): 407161060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1630, 1793, 3260, 3586, 7172, 8699, 8965, 17398, 17930, 34796, 35860, 43495, 86990, 95689, 173980, 191378, 382756, 478445, 956890, 1417937, 1913780, 2835874, 5671748, 7089685, 14179370, 15597307, 28358740, 31194614, 62389228, 77986535, 155973070, 311946140]

約数ペア:

[(1, 311946140), (2, 155973070), (4, 77986535), (5, 62389228), (10, 31194614), (11, 28358740), (20, 15597307), (22, 14179370), (44, 7089685), (55, 5671748), (110, 2835874), (163, 1913780), (220, 1417937), (326, 956890), (652, 478445), (815, 382756), (1630, 191378), (1793, 173980), (3260, 95689), (3586, 86990), (7172, 43495), (8699, 35860), (8965, 34796), (17398, 17930)]