30904540

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{1999}}^1$

素因数の和:2781

約数の個数: 24

約数和(自身を含む): 65016000

約数和(自身を除く): 34111460

約数列:

[1, 2, 4, 5, 10, 20, 773, 1546, 1999, 3092, 3865, 3998, 7730, 7996, 9995, 15460, 19990, 39980, 1545227, 3090454, 6180908, 7726135, 15452270, 30904540]

約数ペア:

[(1, 30904540), (2, 15452270), (4, 7726135), (5, 6180908), (10, 3090454), (20, 1545227), (773, 39980), (1546, 19990), (1999, 15460), (3092, 9995), (3865, 7996), (3998, 7730)]