57501980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^2$

素因数の和:806

約数の個数: 36

約数和(自身を含む): 127437240

約数和(自身を除く): 69935260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 389, 778, 1556, 1945, 3890, 7391, 7780, 14782, 29564, 36955, 73910, 147820, 151321, 302642, 605284, 756605, 1513210, 2875099, 3026420, 5750198, 11500396, 14375495, 28750990, 57501980]

約数ペア:

[(1, 57501980), (2, 28750990), (4, 14375495), (5, 11500396), (10, 5750198), (19, 3026420), (20, 2875099), (38, 1513210), (76, 756605), (95, 605284), (190, 302642), (380, 151321), (389, 147820), (778, 73910), (1556, 36955), (1945, 29564), (3890, 14782), (7391, 7780)]