3131980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1051}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 6627600

約数和(自身を除く): 3495620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1051, 1490, 2102, 2980, 4204, 5255, 10510, 21020, 156599, 313198, 626396, 782995, 1565990, 3131980]

約数ペア:

[(1, 3131980), (2, 1565990), (4, 782995), (5, 626396), (10, 313198), (20, 156599), (149, 21020), (298, 10510), (596, 5255), (745, 4204), (1051, 2980), (1490, 2102)]