1990403740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2113}}^1\times {\mathrm{3623}}^1$

素因数の和:5758

約数の個数: 48

約数和(自身を含む): 4504747968

約数和(自身を除く): 2514344228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2113, 3623, 4226, 7246, 8452, 10565, 14492, 18115, 21130, 27469, 36230, 42260, 47099, 54938, 72460, 94198, 109876, 137345, 188396, 235495, 274690, 470990, 549380, 941980, 7655399, 15310798, 30621596, 38276995, 76553990, 99520187, 153107980, 199040374, 398080748, 497600935, 995201870, 1990403740]

約数ペア:

[(1, 1990403740), (2, 995201870), (4, 497600935), (5, 398080748), (10, 199040374), (13, 153107980), (20, 99520187), (26, 76553990), (52, 38276995), (65, 30621596), (130, 15310798), (260, 7655399), (2113, 941980), (3623, 549380), (4226, 470990), (7246, 274690), (8452, 235495), (10565, 188396), (14492, 137345), (18115, 109876), (21130, 94198), (27469, 72460), (36230, 54938), (42260, 47099)]