211383320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1412

約数の個数: 64

約数和(自身を含む): 495720000

約数和(自身を除く): 284336680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 580, 596, 745, 1160, 1192, 1223, 1490, 2446, 2980, 4321, 4892, 5960, 6115, 8642, 9784, 12230, 17284, 21605, 24460, 34568, 35467, 43210, 48920, 70934, 86420, 141868, 172840, 177335, 182227, 283736, 354670, 364454, 709340, 728908, 911135, 1418680, 1457816, 1822270, 3644540, 5284583, 7289080, 10569166, 21138332, 26422915, 42276664, 52845830, 105691660, 211383320]

約数ペア:

[(1, 211383320), (2, 105691660), (4, 52845830), (5, 42276664), (8, 26422915), (10, 21138332), (20, 10569166), (29, 7289080), (40, 5284583), (58, 3644540), (116, 1822270), (145, 1457816), (149, 1418680), (232, 911135), (290, 728908), (298, 709340), (580, 364454), (596, 354670), (745, 283736), (1160, 182227), (1192, 177335), (1223, 172840), (1490, 141868), (2446, 86420), (2980, 70934), (4321, 48920), (4892, 43210), (5960, 35467), (6115, 34568), (8642, 24460), (9784, 21605), (12230, 17284)]