139721200

素因数分解:

$2^4\times 5^2\times {\mathrm{349303}}^1$

素因数の和:349321

約数の個数: 30

約数和(自身を含む): 335681144

約数和(自身を除く): 195959944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 349303, 698606, 1397212, 1746515, 2794424, 3493030, 5588848, 6986060, 8732575, 13972120, 17465150, 27944240, 34930300, 69860600, 139721200]

約数ペア:

[(1, 139721200), (2, 69860600), (4, 34930300), (5, 27944240), (8, 17465150), (10, 13972120), (16, 8732575), (20, 6986060), (25, 5588848), (40, 3493030), (50, 2794424), (80, 1746515), (100, 1397212), (200, 698606), (400, 349303)]