858505220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{288089}}^1$

素因数の和:288247

約数の個数: 24

約数和(自身を含む): 1814967000

約数和(自身を除く): 956461780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 288089, 576178, 1152356, 1440445, 2880890, 5761780, 42925261, 85850522, 171701044, 214626305, 429252610, 858505220]

約数ペア:

[(1, 858505220), (2, 429252610), (4, 214626305), (5, 171701044), (10, 85850522), (20, 42925261), (149, 5761780), (298, 2880890), (596, 1440445), (745, 1152356), (1490, 576178), (2980, 288089)]