208047080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{71249}}^1$

素因数の和:71333

約数の個数: 32

約数和(自身を含む): 474525000

約数和(自身を除く): 266477920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 71249, 142498, 284996, 356245, 569992, 712490, 1424980, 2849960, 5201177, 10402354, 20804708, 26005885, 41609416, 52011770, 104023540, 208047080]

約数ペア:

[(1, 208047080), (2, 104023540), (4, 52011770), (5, 41609416), (8, 26005885), (10, 20804708), (20, 10402354), (40, 5201177), (73, 2849960), (146, 1424980), (292, 712490), (365, 569992), (584, 356245), (730, 284996), (1460, 142498), (2920, 71249)]