49090910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1457

約数の個数: 48

約数和(自身を含む): 100548000

約数和(自身を除く): 51457090

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 121, 145, 242, 290, 319, 605, 638, 1210, 1399, 1595, 2798, 3190, 3509, 6995, 7018, 13990, 15389, 17545, 30778, 35090, 40571, 76945, 81142, 153890, 169279, 202855, 338558, 405710, 446281, 846395, 892562, 1692790, 2231405, 4462810, 4909091, 9818182, 24545455, 49090910]

約数ペア:

[(1, 49090910), (2, 24545455), (5, 9818182), (10, 4909091), (11, 4462810), (22, 2231405), (29, 1692790), (55, 892562), (58, 846395), (110, 446281), (121, 405710), (145, 338558), (242, 202855), (290, 169279), (319, 153890), (605, 81142), (638, 76945), (1210, 40571), (1399, 35090), (1595, 30778), (2798, 17545), (3190, 15389), (3509, 13990), (6995, 7018)]