123769790

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{29399}}^1$

素因数の和:29827

約数の個数: 16

約数和(自身を含む): 223322400

約数和(自身を除く): 99552610

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 29399, 58798, 146995, 293990, 12376979, 24753958, 61884895, 123769790]

約数ペア:

[(1, 123769790), (2, 61884895), (5, 24753958), (10, 12376979), (421, 293990), (842, 146995), (2105, 58798), (4210, 29399)]