2679890620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{80671}}^1$

素因数の和:80842

約数の個数: 48

約数和(自身を含む): 6180120576

約数和(自身を除く): 3500229956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 604, 755, 1510, 1661, 3020, 3322, 6644, 8305, 16610, 33220, 80671, 161342, 322684, 403355, 806710, 887381, 1613420, 1774762, 3549524, 4436905, 8873810, 12181321, 17747620, 24362642, 48725284, 60906605, 121813210, 133994531, 243626420, 267989062, 535978124, 669972655, 1339945310, 2679890620]

約数ペア:

[(1, 2679890620), (2, 1339945310), (4, 669972655), (5, 535978124), (10, 267989062), (11, 243626420), (20, 133994531), (22, 121813210), (44, 60906605), (55, 48725284), (110, 24362642), (151, 17747620), (220, 12181321), (302, 8873810), (604, 4436905), (755, 3549524), (1510, 1774762), (1661, 1613420), (3020, 887381), (3322, 806710), (6644, 403355), (8305, 322684), (16610, 161342), (33220, 80671)]