127715600

素因数分解:

$2^4\times 5^2\times {\mathrm{319289}}^1$

素因数の和:319307

約数の個数: 30

約数和(自身を含む): 306837690

約数和(自身を除く): 179122090

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 319289, 638578, 1277156, 1596445, 2554312, 3192890, 5108624, 6385780, 7982225, 12771560, 15964450, 25543120, 31928900, 63857800, 127715600]

約数ペア:

[(1, 127715600), (2, 63857800), (4, 31928900), (5, 25543120), (8, 15964450), (10, 12771560), (16, 7982225), (20, 6385780), (25, 5108624), (40, 3192890), (50, 2554312), (80, 1596445), (100, 1277156), (200, 638578), (400, 319289)]