281640340

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{12473}}^1$

素因数の和:13611

約数の個数: 24

約数和(自身を含む): 592016040

約数和(自身を除く): 310375700

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 11290, 12473, 22580, 24946, 49892, 62365, 124730, 249460, 14082017, 28164034, 56328068, 70410085, 140820170, 281640340]

約数ペア:

[(1, 281640340), (2, 140820170), (4, 70410085), (5, 56328068), (10, 28164034), (20, 14082017), (1129, 249460), (2258, 124730), (4516, 62365), (5645, 49892), (11290, 24946), (12473, 22580)]