68721200

素因数分解:

$2^4\times 5^2\times {\mathrm{171803}}^1$

素因数の和:171821

約数の個数: 30

約数和(自身を含む): 165103644

約数和(自身を除く): 96382444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 171803, 343606, 687212, 859015, 1374424, 1718030, 2748848, 3436060, 4295075, 6872120, 8590150, 13744240, 17180300, 34360600, 68721200]

約数ペア:

[(1, 68721200), (2, 34360600), (4, 17180300), (5, 13744240), (8, 8590150), (10, 6872120), (16, 4295075), (20, 3436060), (25, 2748848), (40, 1718030), (50, 1374424), (80, 859015), (100, 687212), (200, 343606), (400, 171803)]