2838195140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12900887}}^1$

素因数の和:12900907

約数の個数: 24

約数和(自身を含む): 6502047552

約数和(自身を除く): 3663852412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12900887, 25801774, 51603548, 64504435, 129008870, 141909757, 258017740, 283819514, 567639028, 709548785, 1419097570, 2838195140]

約数ペア:

[(1, 2838195140), (2, 1419097570), (4, 709548785), (5, 567639028), (10, 283819514), (11, 258017740), (20, 141909757), (22, 129008870), (44, 64504435), (55, 51603548), (110, 25801774), (220, 12900887)]