889968220

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{415873}}^1$

素因数の和:415989

約数の個数: 24

約数和(自身を含む): 1886404464

約数和(自身を除く): 996436244

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 415873, 831746, 1663492, 2079365, 4158730, 8317460, 44498411, 88996822, 177993644, 222492055, 444984110, 889968220]

約数ペア:

[(1, 889968220), (2, 444984110), (4, 222492055), (5, 177993644), (10, 88996822), (20, 44498411), (107, 8317460), (214, 4158730), (428, 2079365), (535, 1663492), (1070, 831746), (2140, 415873)]