287173660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{3323}}^1$

素因数の和:3510

約数の個数: 48

約数和(自身を含む): 628236000

約数和(自身を除く): 341062340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2980, 3323, 4321, 6646, 8642, 13292, 16615, 17284, 21605, 33230, 43210, 66460, 86420, 96367, 192734, 385468, 481835, 495127, 963670, 990254, 1927340, 1980508, 2475635, 4951270, 9902540, 14358683, 28717366, 57434732, 71793415, 143586830, 287173660]

約数ペア:

[(1, 287173660), (2, 143586830), (4, 71793415), (5, 57434732), (10, 28717366), (20, 14358683), (29, 9902540), (58, 4951270), (116, 2475635), (145, 1980508), (149, 1927340), (290, 990254), (298, 963670), (580, 495127), (596, 481835), (745, 385468), (1490, 192734), (2980, 96367), (3323, 86420), (4321, 66460), (6646, 43210), (8642, 33230), (13292, 21605), (16615, 17284)]