67899800

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1609}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 158713800

約数和(自身を除く): 90814000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 844, 1055, 1609, 1688, 2110, 3218, 4220, 5275, 6436, 8045, 8440, 10550, 12872, 16090, 21100, 32180, 40225, 42200, 64360, 80450, 160900, 321800, 339499, 678998, 1357996, 1697495, 2715992, 3394990, 6789980, 8487475, 13579960, 16974950, 33949900, 67899800]

約数ペア:

[(1, 67899800), (2, 33949900), (4, 16974950), (5, 13579960), (8, 8487475), (10, 6789980), (20, 3394990), (25, 2715992), (40, 1697495), (50, 1357996), (100, 678998), (200, 339499), (211, 321800), (422, 160900), (844, 80450), (1055, 64360), (1609, 42200), (1688, 40225), (2110, 32180), (3218, 21100), (4220, 16090), (5275, 12872), (6436, 10550), (8045, 8440)]