141631640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 325352160

約数和(自身を除く): 183720520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 173, 194, 211, 346, 388, 422, 485, 692, 776, 844, 865, 970, 1055, 1384, 1688, 1730, 1940, 2110, 3460, 3880, 4220, 6920, 8440, 16781, 20467, 33562, 36503, 40934, 67124, 73006, 81868, 83905, 102335, 134248, 146012, 163736, 167810, 182515, 204670, 292024, 335620, 365030, 409340, 671240, 730060, 818680, 1460120, 3540791, 7081582, 14163164, 17703955, 28326328, 35407910, 70815820, 141631640]

約数ペア:

[(1, 141631640), (2, 70815820), (4, 35407910), (5, 28326328), (8, 17703955), (10, 14163164), (20, 7081582), (40, 3540791), (97, 1460120), (173, 818680), (194, 730060), (211, 671240), (346, 409340), (388, 365030), (422, 335620), (485, 292024), (692, 204670), (776, 182515), (844, 167810), (865, 163736), (970, 146012), (1055, 134248), (1384, 102335), (1688, 83905), (1730, 81868), (1940, 73006), (2110, 67124), (3460, 40934), (3880, 36503), (4220, 33562), (6920, 20467), (8440, 16781)]