1840400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 60

約数和(自身を含む): 4566672

約数和(自身を除く): 2726272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 107, 172, 200, 214, 215, 344, 400, 428, 430, 535, 688, 856, 860, 1070, 1075, 1712, 1720, 2140, 2150, 2675, 3440, 4280, 4300, 4601, 5350, 8560, 8600, 9202, 10700, 17200, 18404, 21400, 23005, 36808, 42800, 46010, 73616, 92020, 115025, 184040, 230050, 368080, 460100, 920200, 1840400]

約数ペア:

[(1, 1840400), (2, 920200), (4, 460100), (5, 368080), (8, 230050), (10, 184040), (16, 115025), (20, 92020), (25, 73616), (40, 46010), (43, 42800), (50, 36808), (80, 23005), (86, 21400), (100, 18404), (107, 17200), (172, 10700), (200, 9202), (214, 8600), (215, 8560), (344, 5350), (400, 4601), (428, 4300), (430, 4280), (535, 3440), (688, 2675), (856, 2150), (860, 2140), (1070, 1720), (1075, 1712)]