278380790

素因数分解:

$2^1\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{22651}}^1$

素因数の和:23887

約数の個数: 16

約数和(自身を含む): 501515280

約数和(自身を除く): 223134490

約数列:

[1, 2, 5, 10, 1229, 2458, 6145, 12290, 22651, 45302, 113255, 226510, 27838079, 55676158, 139190395, 278380790]

約数ペア:

[(1, 278380790), (2, 139190395), (5, 55676158), (10, 27838079), (1229, 226510), (2458, 113255), (6145, 45302), (12290, 22651)]