8370820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 36

約数和(自身を含む): 18036900

約数和(自身を除く): 9666080

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 149, 212, 265, 298, 530, 596, 745, 1060, 1490, 2809, 2980, 5618, 7897, 11236, 14045, 15794, 28090, 31588, 39485, 56180, 78970, 157940, 418541, 837082, 1674164, 2092705, 4185410, 8370820]

約数ペア:

[(1, 8370820), (2, 4185410), (4, 2092705), (5, 1674164), (10, 837082), (20, 418541), (53, 157940), (106, 78970), (149, 56180), (212, 39485), (265, 31588), (298, 28090), (530, 15794), (596, 14045), (745, 11236), (1060, 7897), (1490, 5618), (2809, 2980)]