28916900

素因数分解:

$2^2\times 5^2\times {\mathrm{289169}}^1$

素因数の和:289183

約数の個数: 18

約数和(自身を含む): 62749890

約数和(自身を除く): 33832990

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 289169, 578338, 1156676, 1445845, 2891690, 5783380, 7229225, 14458450, 28916900]

約数ペア:

[(1, 28916900), (2, 14458450), (4, 7229225), (5, 5783380), (10, 2891690), (20, 1445845), (25, 1156676), (50, 578338), (100, 289169)]