488325020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{787621}}^1$

素因数の和:787661

約数の個数: 24

約数和(自身を含む): 1058563968

約数和(自身を除く): 570238948

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 787621, 1575242, 3150484, 3938105, 7876210, 15752420, 24416251, 48832502, 97665004, 122081255, 244162510, 488325020]

約数ペア:

[(1, 488325020), (2, 244162510), (4, 122081255), (5, 97665004), (10, 48832502), (20, 24416251), (31, 15752420), (62, 7876210), (124, 3938105), (155, 3150484), (310, 1575242), (620, 787621)]