90702740

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{23021}}^1$

素因数の和:23227

約数の個数: 24

約数和(自身を含む): 191450952

約数和(自身を除く): 100748212

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 23021, 46042, 92084, 115105, 230210, 460420, 4535137, 9070274, 18140548, 22675685, 45351370, 90702740]

約数ペア:

[(1, 90702740), (2, 45351370), (4, 22675685), (5, 18140548), (10, 9070274), (20, 4535137), (197, 460420), (394, 230210), (788, 115105), (985, 92084), (1970, 46042), (3940, 23021)]