390147130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{549503}}^1$

素因数の和:549581

約数の個数: 16

約数和(自身を含む): 712157184

約数和(自身を除く): 322010054

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 549503, 1099006, 2747515, 5495030, 39014713, 78029426, 195073565, 390147130]

約数ペア:

[(1, 390147130), (2, 195073565), (5, 78029426), (10, 39014713), (71, 5495030), (142, 2747515), (355, 1099006), (710, 549503)]