290466020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1117177}}^1$

素因数の和:1117199

約数の個数: 24

約数和(自身を含む): 656900664

約数和(自身を除く): 366434644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1117177, 2234354, 4468708, 5585885, 11171770, 14523301, 22343540, 29046602, 58093204, 72616505, 145233010, 290466020]

約数ペア:

[(1, 290466020), (2, 145233010), (4, 72616505), (5, 58093204), (10, 29046602), (13, 22343540), (20, 14523301), (26, 11171770), (52, 5585885), (65, 4468708), (130, 2234354), (260, 1117177)]