278360830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{133187}}^1$

素因数の和:133224

約数の個数: 32

約数和(自身を含む): 575372160

約数和(自身を除く): 297011330

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 133187, 266374, 665935, 1331870, 1465057, 2530553, 2930114, 5061106, 7325285, 12652765, 14650570, 25305530, 27836083, 55672166, 139180415, 278360830]

約数ペア:

[(1, 278360830), (2, 139180415), (5, 55672166), (10, 27836083), (11, 25305530), (19, 14650570), (22, 12652765), (38, 7325285), (55, 5061106), (95, 2930114), (110, 2530553), (190, 1465057), (209, 1331870), (418, 665935), (1045, 266374), (2090, 133187)]