309198220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{377071}}^1$

素因数の和:377121

約数の個数: 24

約数和(自身を含む): 665155008

約数和(自身を除く): 355956788

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 377071, 754142, 1508284, 1885355, 3770710, 7541420, 15459911, 30919822, 61839644, 77299555, 154599110, 309198220]

約数ペア:

[(1, 309198220), (2, 154599110), (4, 77299555), (5, 61839644), (10, 30919822), (20, 15459911), (41, 7541420), (82, 3770710), (164, 1885355), (205, 1508284), (410, 754142), (820, 377071)]