28952900

素因数分解:

$2^2\times 5^2\times {\mathrm{419}}^1\times {\mathrm{691}}^1$

素因数の和:1124

約数の個数: 36

約数和(自身を含む): 63068880

約数和(自身を除く): 34115980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 419, 691, 838, 1382, 1676, 2095, 2764, 3455, 4190, 6910, 8380, 10475, 13820, 17275, 20950, 34550, 41900, 69100, 289529, 579058, 1158116, 1447645, 2895290, 5790580, 7238225, 14476450, 28952900]

約数ペア:

[(1, 28952900), (2, 14476450), (4, 7238225), (5, 5790580), (10, 2895290), (20, 1447645), (25, 1158116), (50, 579058), (100, 289529), (419, 69100), (691, 41900), (838, 34550), (1382, 20950), (1676, 17275), (2095, 13820), (2764, 10475), (3455, 8380), (4190, 6910)]