169939400

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{4027}}^1$

素因数の和:4254

約数の個数: 48

約数和(自身を含む): 397080240

約数和(自身を除く): 227140840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 844, 1055, 1688, 2110, 4027, 4220, 5275, 8054, 8440, 10550, 16108, 20135, 21100, 32216, 40270, 42200, 80540, 100675, 161080, 201350, 402700, 805400, 849697, 1699394, 3398788, 4248485, 6797576, 8496970, 16993940, 21242425, 33987880, 42484850, 84969700, 169939400]

約数ペア:

[(1, 169939400), (2, 84969700), (4, 42484850), (5, 33987880), (8, 21242425), (10, 16993940), (20, 8496970), (25, 6797576), (40, 4248485), (50, 3398788), (100, 1699394), (200, 849697), (211, 805400), (422, 402700), (844, 201350), (1055, 161080), (1688, 100675), (2110, 80540), (4027, 42200), (4220, 40270), (5275, 32216), (8054, 21100), (8440, 20135), (10550, 16108)]