156908420

素因数分解:

$2^2\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{6949}}^1$

素因数の和:8087

約数の個数: 24

約数和(自身を含む): 329847000

約数和(自身を除く): 172938580

約数列:

[1, 2, 4, 5, 10, 20, 1129, 2258, 4516, 5645, 6949, 11290, 13898, 22580, 27796, 34745, 69490, 138980, 7845421, 15690842, 31381684, 39227105, 78454210, 156908420]

約数ペア:

[(1, 156908420), (2, 78454210), (4, 39227105), (5, 31381684), (10, 15690842), (20, 7845421), (1129, 138980), (2258, 69490), (4516, 34745), (5645, 27796), (6949, 22580), (11290, 13898)]