16851850

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 32783616

約数和(自身を除く): 15931766

約数列:

[1, 2, 5, 10, 25, 47, 50, 71, 94, 101, 142, 202, 235, 355, 470, 505, 710, 1010, 1175, 1775, 2350, 2525, 3337, 3550, 4747, 5050, 6674, 7171, 9494, 14342, 16685, 23735, 33370, 35855, 47470, 71710, 83425, 118675, 166850, 179275, 237350, 337037, 358550, 674074, 1685185, 3370370, 8425925, 16851850]

約数ペア:

[(1, 16851850), (2, 8425925), (5, 3370370), (10, 1685185), (25, 674074), (47, 358550), (50, 337037), (71, 237350), (94, 179275), (101, 166850), (142, 118675), (202, 83425), (235, 71710), (355, 47470), (470, 35855), (505, 33370), (710, 23735), (1010, 16685), (1175, 14342), (1775, 9494), (2350, 7171), (2525, 6674), (3337, 5050), (3550, 4747)]