442197940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311407}}^1$

素因数の和:311487

約数の個数: 24

約数和(自身を含む): 941697792

約数和(自身を除く): 499499852

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 311407, 622814, 1245628, 1557035, 3114070, 6228140, 22109897, 44219794, 88439588, 110549485, 221098970, 442197940]

約数ペア:

[(1, 442197940), (2, 221098970), (4, 110549485), (5, 88439588), (10, 44219794), (20, 22109897), (71, 6228140), (142, 3114070), (284, 1557035), (355, 1245628), (710, 622814), (1420, 311407)]