123225980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{41351}}^1$

素因数の和:41509

約数の個数: 24

約数和(自身を含む): 260517600

約数和(自身を除く): 137291620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 41351, 82702, 165404, 206755, 413510, 827020, 6161299, 12322598, 24645196, 30806495, 61612990, 123225980]

約数ペア:

[(1, 123225980), (2, 61612990), (4, 30806495), (5, 24645196), (10, 12322598), (20, 6161299), (149, 827020), (298, 413510), (596, 206755), (745, 165404), (1490, 82702), (2980, 41351)]