1990045780

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{213067}}^1$

素因数の和:213543

約数の個数: 24

約数和(自身を含む): 4188064608

約数和(自身を除く): 2198018828

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2335, 4670, 9340, 213067, 426134, 852268, 1065335, 2130670, 4261340, 99502289, 199004578, 398009156, 497511445, 995022890, 1990045780]

約数ペア:

[(1, 1990045780), (2, 995022890), (4, 497511445), (5, 398009156), (10, 199004578), (20, 99502289), (467, 4261340), (934, 2130670), (1868, 1065335), (2335, 852268), (4670, 426134), (9340, 213067)]