2247657560

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{144451}}^1$

素因数の和:144851

約数の個数: 32

約数和(自身を含む): 5070265200

約数和(自身を除く): 2822607640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 144451, 288902, 577804, 722255, 1155608, 1444510, 2889020, 5778040, 56191439, 112382878, 224765756, 280957195, 449531512, 561914390, 1123828780, 2247657560]

約数ペア:

[(1, 2247657560), (2, 1123828780), (4, 561914390), (5, 449531512), (8, 280957195), (10, 224765756), (20, 112382878), (40, 56191439), (389, 5778040), (778, 2889020), (1556, 1444510), (1945, 1155608), (3112, 722255), (3890, 577804), (7780, 288902), (15560, 144451)]