341997620

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{41809}}^1$

素因数の和:42227

約数の個数: 24

約数和(自身を含む): 719968200

約数和(自身を除く): 377970580

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 41809, 83618, 167236, 209045, 418090, 836180, 17099881, 34199762, 68399524, 85499405, 170998810, 341997620]

約数ペア:

[(1, 341997620), (2, 170998810), (4, 85499405), (5, 68399524), (10, 34199762), (20, 17099881), (409, 836180), (818, 418090), (1636, 209045), (2045, 167236), (4090, 83618), (8180, 41809)]