69290420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{19141}}^1$

素因数の和:19331

約数の個数: 24

約数和(自身を含む): 146321448

約数和(自身を除く): 77031028

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 19141, 38282, 76564, 95705, 191410, 382820, 3464521, 6929042, 13858084, 17322605, 34645210, 69290420]

約数ペア:

[(1, 69290420), (2, 34645210), (4, 17322605), (5, 13858084), (10, 6929042), (20, 3464521), (181, 382820), (362, 191410), (724, 95705), (905, 76564), (1810, 38282), (3620, 19141)]