74802740

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{9421}}^1$

素因数の和:9827

約数の個数: 24

約数和(自身を含む): 157498152

約数和(自身を除く): 82695412

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 9421, 18842, 37684, 47105, 94210, 188420, 3740137, 7480274, 14960548, 18700685, 37401370, 74802740]

約数ペア:

[(1, 74802740), (2, 37401370), (4, 18700685), (5, 14960548), (10, 7480274), (20, 3740137), (397, 188420), (794, 94210), (1588, 47105), (1985, 37684), (3970, 18842), (7940, 9421)]