68922820

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{14419}}^1$

素因数の和:14667

約数の個数: 24

約数和(自身を含む): 145353600

約数和(自身を除く): 76430780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 14419, 28838, 57676, 72095, 144190, 288380, 3446141, 6892282, 13784564, 17230705, 34461410, 68922820]

約数ペア:

[(1, 68922820), (2, 34461410), (4, 17230705), (5, 13784564), (10, 6892282), (20, 3446141), (239, 288380), (478, 144190), (956, 72095), (1195, 57676), (2390, 28838), (4780, 14419)]