123968180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{885487}}^1$

素因数の和:885503

約数の個数: 24

約数和(自身を含む): 297523968

約数和(自身を除く): 173555788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 885487, 1770974, 3541948, 4427435, 6198409, 8854870, 12396818, 17709740, 24793636, 30992045, 61984090, 123968180]

約数ペア:

[(1, 123968180), (2, 61984090), (4, 30992045), (5, 24793636), (7, 17709740), (10, 12396818), (14, 8854870), (20, 6198409), (28, 4427435), (35, 3541948), (70, 1770974), (140, 885487)]