29901320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 70470000

約数和(自身を除く): 40568680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 173, 232, 290, 298, 346, 580, 596, 692, 745, 865, 1160, 1192, 1384, 1490, 1730, 2980, 3460, 4321, 5017, 5960, 6920, 8642, 10034, 17284, 20068, 21605, 25085, 25777, 34568, 40136, 43210, 50170, 51554, 86420, 100340, 103108, 128885, 172840, 200680, 206216, 257770, 515540, 747533, 1031080, 1495066, 2990132, 3737665, 5980264, 7475330, 14950660, 29901320]

約数ペア:

[(1, 29901320), (2, 14950660), (4, 7475330), (5, 5980264), (8, 3737665), (10, 2990132), (20, 1495066), (29, 1031080), (40, 747533), (58, 515540), (116, 257770), (145, 206216), (149, 200680), (173, 172840), (232, 128885), (290, 103108), (298, 100340), (346, 86420), (580, 51554), (596, 50170), (692, 43210), (745, 40136), (865, 34568), (1160, 25777), (1192, 25085), (1384, 21605), (1490, 20068), (1730, 17284), (2980, 10034), (3460, 8642), (4321, 6920), (5017, 5960)]