9257780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 13240780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 743, 890, 1246, 1486, 1780, 2492, 2972, 3115, 3715, 5201, 6230, 7430, 10402, 12460, 14860, 20804, 26005, 52010, 66127, 104020, 132254, 264508, 330635, 462889, 661270, 925778, 1322540, 1851556, 2314445, 4628890, 9257780]

約数ペア:

[(1, 9257780), (2, 4628890), (4, 2314445), (5, 1851556), (7, 1322540), (10, 925778), (14, 661270), (20, 462889), (28, 330635), (35, 264508), (70, 132254), (89, 104020), (140, 66127), (178, 52010), (356, 26005), (445, 20804), (623, 14860), (743, 12460), (890, 10402), (1246, 7430), (1486, 6230), (1780, 5201), (2492, 3715), (2972, 3115)]