398420229070

素因数分解:

$2^1\times 5^1\times {\mathrm{80233}}^1\times {\mathrm{496579}}^1$

素因数の和:576819

約数の個数: 16

約数和(自身を含む): 717166794960

約数和(自身を除く): 318746565890

約数列:

[1, 2, 5, 10, 80233, 160466, 401165, 496579, 802330, 993158, 2482895, 4965790, 39842022907, 79684045814, 199210114535, 398420229070]

約数ペア:

[(1, 398420229070), (2, 199210114535), (5, 79684045814), (10, 39842022907), (80233, 4965790), (160466, 2482895), (401165, 993158), (496579, 802330)]