812312420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{572051}}^1$

素因数の和:572131

約数の個数: 24

約数和(自身を含む): 1729885248

約数和(自身を除く): 917572828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 572051, 1144102, 2288204, 2860255, 5720510, 11441020, 40615621, 81231242, 162462484, 203078105, 406156210, 812312420]

約数ペア:

[(1, 812312420), (2, 406156210), (4, 203078105), (5, 162462484), (10, 81231242), (20, 40615621), (71, 11441020), (142, 5720510), (284, 2860255), (355, 2288204), (710, 1144102), (1420, 572051)]