90243700

素因数分解:

$2^2\times 5^2\times {\mathrm{902437}}^1$

素因数の和:902451

約数の個数: 18

約数和(自身を含む): 195829046

約数和(自身を除く): 105585346

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 902437, 1804874, 3609748, 4512185, 9024370, 18048740, 22560925, 45121850, 90243700]

約数ペア:

[(1, 90243700), (2, 45121850), (4, 22560925), (5, 18048740), (10, 9024370), (20, 4512185), (25, 3609748), (50, 1804874), (100, 902437)]