989200

素因数分解:

$2^4\times 5^2\times {\mathrm{2473}}^1$

素因数の和:2491

約数の個数: 30

約数和(自身を含む): 2377514

約数和(自身を除く): 1388314

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2473, 4946, 9892, 12365, 19784, 24730, 39568, 49460, 61825, 98920, 123650, 197840, 247300, 494600, 989200]

約数ペア:

[(1, 989200), (2, 494600), (4, 247300), (5, 197840), (8, 123650), (10, 98920), (16, 61825), (20, 49460), (25, 39568), (40, 24730), (50, 19784), (80, 12365), (100, 9892), (200, 4946), (400, 2473)]