1000000090

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{671141}}^1$

素因数の和:671297

約数の個数: 16

約数和(自身を含む): 1812083400

約数和(自身を除く): 812083310

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 671141, 1342282, 3355705, 6711410, 100000009, 200000018, 500000045, 1000000090]

約数ペア:

[(1, 1000000090), (2, 500000045), (5, 200000018), (10, 100000009), (149, 6711410), (298, 3355705), (745, 1342282), (1490, 671141)]