420494615

素因数分解:

$5^1\times {\mathrm{401}}^2\times {\mathrm{523}}^1$

素因数の和:1330

約数の個数: 12

約数和(自身を含む): 506822232

約数和(自身を除く): 86327617

約数列:

[1, 5, 401, 523, 2005, 2615, 160801, 209723, 804005, 1048615, 84098923, 420494615]

約数ペア:

[(1, 420494615), (5, 84098923), (401, 1048615), (523, 804005), (2005, 209723), (2615, 160801)]