90218900

素因数分解:

$2^2\times 5^2\times {\mathrm{277}}^1\times {\mathrm{3257}}^1$

素因数の和:3548

約数の個数: 36

約数和(自身を含む): 196542108

約数和(自身を除く): 106323208

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 277, 554, 1108, 1385, 2770, 3257, 5540, 6514, 6925, 13028, 13850, 16285, 27700, 32570, 65140, 81425, 162850, 325700, 902189, 1804378, 3608756, 4510945, 9021890, 18043780, 22554725, 45109450, 90218900]

約数ペア:

[(1, 90218900), (2, 45109450), (4, 22554725), (5, 18043780), (10, 9021890), (20, 4510945), (25, 3608756), (50, 1804378), (100, 902189), (277, 325700), (554, 162850), (1108, 81425), (1385, 65140), (2770, 32570), (3257, 27700), (5540, 16285), (6514, 13850), (6925, 13028)]