220209005

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1\times {\mathrm{571}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 267119424

約数和(自身を除く): 46910419

約数列:

[1, 5, 137, 563, 571, 685, 2815, 2855, 77131, 78227, 321473, 385655, 391135, 1607365, 44041801, 220209005]

約数ペア:

[(1, 220209005), (5, 44041801), (137, 1607365), (563, 391135), (571, 385655), (685, 321473), (2815, 78227), (2855, 77131)]