725528020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{70991}}^1$

素因数の和:71080

約数の個数: 48

約数和(自身を含む): 1765145088

約数和(自身を除く): 1039617068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 70991, 141982, 283964, 354955, 496937, 709910, 993874, 1419820, 1987748, 2484685, 4969370, 5182343, 9938740, 10364686, 20729372, 25911715, 36276401, 51823430, 72552802, 103646860, 145105604, 181382005, 362764010, 725528020]

約数ペア:

[(1, 725528020), (2, 362764010), (4, 181382005), (5, 145105604), (7, 103646860), (10, 72552802), (14, 51823430), (20, 36276401), (28, 25911715), (35, 20729372), (70, 10364686), (73, 9938740), (140, 5182343), (146, 4969370), (292, 2484685), (365, 1987748), (511, 1419820), (730, 993874), (1022, 709910), (1460, 496937), (2044, 354955), (2555, 283964), (5110, 141982), (10220, 70991)]