30657220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 70612416

約数和(自身を除く): 39955196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 421, 662, 842, 1324, 1655, 1684, 2105, 3310, 3641, 4210, 4631, 6620, 7282, 8420, 9262, 14564, 18205, 18524, 23155, 36410, 46310, 72820, 92620, 139351, 278702, 557404, 696755, 1393510, 1532861, 2787020, 3065722, 6131444, 7664305, 15328610, 30657220]

約数ペア:

[(1, 30657220), (2, 15328610), (4, 7664305), (5, 6131444), (10, 3065722), (11, 2787020), (20, 1532861), (22, 1393510), (44, 696755), (55, 557404), (110, 278702), (220, 139351), (331, 92620), (421, 72820), (662, 46310), (842, 36410), (1324, 23155), (1655, 18524), (1684, 18205), (2105, 14564), (3310, 9262), (3641, 8420), (4210, 7282), (4631, 6620)]