131808460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{941489}}^1$

素因数の和:941505

約数の個数: 24

約数和(自身を含む): 316340640

約数和(自身を除く): 184532180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 941489, 1882978, 3765956, 4707445, 6590423, 9414890, 13180846, 18829780, 26361692, 32952115, 65904230, 131808460]

約数ペア:

[(1, 131808460), (2, 65904230), (4, 32952115), (5, 26361692), (7, 18829780), (10, 13180846), (14, 9414890), (20, 6590423), (28, 4707445), (35, 3765956), (70, 1882978), (140, 941489)]