397879010

素因数分解:

$2^1\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{18671}}^1$

素因数の和:20809

約数の個数: 16

約数和(自身を含む): 716556672

約数和(自身を除く): 318677662

約数列:

[1, 2, 5, 10, 2131, 4262, 10655, 18671, 21310, 37342, 93355, 186710, 39787901, 79575802, 198939505, 397879010]

約数ペア:

[(1, 397879010), (2, 198939505), (5, 79575802), (10, 39787901), (2131, 186710), (4262, 93355), (10655, 37342), (18671, 21310)]