2210200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 5278680

約数和(自身を除く): 3068480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 257, 344, 430, 514, 860, 1028, 1075, 1285, 1720, 2056, 2150, 2570, 4300, 5140, 6425, 8600, 10280, 11051, 12850, 22102, 25700, 44204, 51400, 55255, 88408, 110510, 221020, 276275, 442040, 552550, 1105100, 2210200]

約数ペア:

[(1, 2210200), (2, 1105100), (4, 552550), (5, 442040), (8, 276275), (10, 221020), (20, 110510), (25, 88408), (40, 55255), (43, 51400), (50, 44204), (86, 25700), (100, 22102), (172, 12850), (200, 11051), (215, 10280), (257, 8600), (344, 6425), (430, 5140), (514, 4300), (860, 2570), (1028, 2150), (1075, 2056), (1285, 1720)]