278313610

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{5521}}^1$

素因数の和:5670

約数の個数: 24

約数和(自身を含む): 508211748

約数和(自身を除く): 229898138

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 5041, 5521, 10082, 11042, 25205, 27605, 50410, 55210, 391991, 783982, 1959955, 3919910, 27831361, 55662722, 139156805, 278313610]

約数ペア:

[(1, 278313610), (2, 139156805), (5, 55662722), (10, 27831361), (71, 3919910), (142, 1959955), (355, 783982), (710, 391991), (5041, 55210), (5521, 50410), (10082, 27605), (11042, 25205)]