354152780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{931981}}^1$

素因数の和:932009

約数の個数: 24

約数和(自身を含む): 782864880

約数和(自身を除く): 428712100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 931981, 1863962, 3727924, 4659905, 9319810, 17707639, 18639620, 35415278, 70830556, 88538195, 177076390, 354152780]

約数ペア:

[(1, 354152780), (2, 177076390), (4, 88538195), (5, 70830556), (10, 35415278), (19, 18639620), (20, 17707639), (38, 9319810), (76, 4659905), (95, 3727924), (190, 1863962), (380, 931981)]