901148980

素因数分解:

$2^2\times 5^1\times {\mathrm{45057449}}^1$

素因数の和:45057458

約数の個数: 12

約数和(自身を含む): 1892412900

約数和(自身を除く): 991263920

約数列:

[1, 2, 4, 5, 10, 20, 45057449, 90114898, 180229796, 225287245, 450574490, 901148980]

約数ペア:

[(1, 901148980), (2, 450574490), (4, 225287245), (5, 180229796), (10, 90114898), (20, 45057449)]