225480260

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{71809}}^1$

素因数の和:71975

約数の個数: 24

約数和(自身を含む): 476531160

約数和(自身を除く): 251050900

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 71809, 143618, 287236, 359045, 718090, 1436180, 11274013, 22548026, 45096052, 56370065, 112740130, 225480260]

約数ペア:

[(1, 225480260), (2, 112740130), (4, 56370065), (5, 45096052), (10, 22548026), (20, 11274013), (157, 1436180), (314, 718090), (628, 359045), (785, 287236), (1570, 143618), (3140, 71809)]