291210200

素因数分解:

$2^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{5801}}^1$

素因数の和:6068

約数の個数: 48

約数和(自身を含む): 679878360

約数和(自身を除く): 388668160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 251, 502, 1004, 1255, 2008, 2510, 5020, 5801, 6275, 10040, 11602, 12550, 23204, 25100, 29005, 46408, 50200, 58010, 116020, 145025, 232040, 290050, 580100, 1160200, 1456051, 2912102, 5824204, 7280255, 11648408, 14560510, 29121020, 36401275, 58242040, 72802550, 145605100, 291210200]

約数ペア:

[(1, 291210200), (2, 145605100), (4, 72802550), (5, 58242040), (8, 36401275), (10, 29121020), (20, 14560510), (25, 11648408), (40, 7280255), (50, 5824204), (100, 2912102), (200, 1456051), (251, 1160200), (502, 580100), (1004, 290050), (1255, 232040), (2008, 145025), (2510, 116020), (5020, 58010), (5801, 50200), (6275, 46408), (10040, 29005), (11602, 25100), (12550, 23204)]