992980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 2106720

約数和(自身を除く): 1113740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 379, 524, 655, 758, 1310, 1516, 1895, 2620, 3790, 7580, 49649, 99298, 198596, 248245, 496490, 992980]

約数ペア:

[(1, 992980), (2, 496490), (4, 248245), (5, 198596), (10, 99298), (20, 49649), (131, 7580), (262, 3790), (379, 2620), (524, 1895), (655, 1516), (758, 1310)]