401360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 970920

約数和(自身を除く): 569560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 173, 232, 290, 346, 464, 580, 692, 865, 1160, 1384, 1730, 2320, 2768, 3460, 5017, 6920, 10034, 13840, 20068, 25085, 40136, 50170, 80272, 100340, 200680, 401360]

約数ペア:

[(1, 401360), (2, 200680), (4, 100340), (5, 80272), (8, 50170), (10, 40136), (16, 25085), (20, 20068), (29, 13840), (40, 10034), (58, 6920), (80, 5017), (116, 3460), (145, 2768), (173, 2320), (232, 1730), (290, 1384), (346, 1160), (464, 865), (580, 692)]