251113870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{8521}}^1$

素因数の和:8956

約数の個数: 32

約数和(自身を含む): 517864896

約数和(自身を除く): 266751026

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 842, 2105, 2947, 4210, 5894, 8521, 14735, 17042, 29470, 42605, 59647, 85210, 119294, 298235, 596470, 3587341, 7174682, 17936705, 25111387, 35873410, 50222774, 125556935, 251113870]

約数ペア:

[(1, 251113870), (2, 125556935), (5, 50222774), (7, 35873410), (10, 25111387), (14, 17936705), (35, 7174682), (70, 3587341), (421, 596470), (842, 298235), (2105, 119294), (2947, 85210), (4210, 59647), (5894, 42605), (8521, 29470), (14735, 17042)]