49172980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 107730000

約数和(自身を除く): 58557020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 569, 580, 596, 745, 1138, 1490, 2276, 2845, 2980, 4321, 5690, 8642, 11380, 16501, 17284, 21605, 33002, 43210, 66004, 82505, 84781, 86420, 165010, 169562, 330020, 339124, 423905, 847810, 1695620, 2458649, 4917298, 9834596, 12293245, 24586490, 49172980]

約数ペア:

[(1, 49172980), (2, 24586490), (4, 12293245), (5, 9834596), (10, 4917298), (20, 2458649), (29, 1695620), (58, 847810), (116, 423905), (145, 339124), (149, 330020), (290, 169562), (298, 165010), (569, 86420), (580, 84781), (596, 82505), (745, 66004), (1138, 43210), (1490, 33002), (2276, 21605), (2845, 17284), (2980, 16501), (4321, 11380), (5690, 8642)]