3861400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 9207000

約数和(自身を除く): 5345600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 449, 860, 898, 1075, 1720, 1796, 2150, 2245, 3592, 4300, 4490, 8600, 8980, 11225, 17960, 19307, 22450, 38614, 44900, 77228, 89800, 96535, 154456, 193070, 386140, 482675, 772280, 965350, 1930700, 3861400]

約数ペア:

[(1, 3861400), (2, 1930700), (4, 965350), (5, 772280), (8, 482675), (10, 386140), (20, 193070), (25, 154456), (40, 96535), (43, 89800), (50, 77228), (86, 44900), (100, 38614), (172, 22450), (200, 19307), (215, 17960), (344, 11225), (430, 8980), (449, 8600), (860, 4490), (898, 4300), (1075, 3592), (1720, 2245), (1796, 2150)]