671240

素因数分解:

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

素因数の和:281

約数の個数: 32

約数和(自身を含む): 1534680

約数和(自身を除く): 863440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 173, 194, 346, 388, 485, 692, 776, 865, 970, 1384, 1730, 1940, 3460, 3880, 6920, 16781, 33562, 67124, 83905, 134248, 167810, 335620, 671240]

約数ペア:

[(1, 671240), (2, 335620), (4, 167810), (5, 134248), (8, 83905), (10, 67124), (20, 33562), (40, 16781), (97, 6920), (173, 3880), (194, 3460), (346, 1940), (388, 1730), (485, 1384), (692, 970), (776, 865)]