74403920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6691}}^1$

素因数の和:6843

約数の個数: 40

約数和(自身を含む): 174259680

約数和(自身を除く): 99855760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 6691, 11120, 13382, 26764, 33455, 53528, 66910, 107056, 133820, 267640, 535280, 930049, 1860098, 3720196, 4650245, 7440392, 9300490, 14880784, 18600980, 37201960, 74403920]

約数ペア:

[(1, 74403920), (2, 37201960), (4, 18600980), (5, 14880784), (8, 9300490), (10, 7440392), (16, 4650245), (20, 3720196), (40, 1860098), (80, 930049), (139, 535280), (278, 267640), (556, 133820), (695, 107056), (1112, 66910), (1390, 53528), (2224, 33455), (2780, 26764), (5560, 13382), (6691, 11120)]