428214380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1946429}}^1$

素因数の和:1946449

約数の個数: 24

約数和(自身を含む): 981000720

約数和(自身を除く): 552786340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1946429, 3892858, 7785716, 9732145, 19464290, 21410719, 38928580, 42821438, 85642876, 107053595, 214107190, 428214380]

約数ペア:

[(1, 428214380), (2, 214107190), (4, 107053595), (5, 85642876), (10, 42821438), (11, 38928580), (20, 21410719), (22, 19464290), (44, 9732145), (55, 7785716), (110, 3892858), (220, 1946429)]