808400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 60

約数和(自身を含む): 2029632

約数和(自身を除く): 1221232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 47, 50, 80, 86, 94, 100, 172, 188, 200, 215, 235, 344, 376, 400, 430, 470, 688, 752, 860, 940, 1075, 1175, 1720, 1880, 2021, 2150, 2350, 3440, 3760, 4042, 4300, 4700, 8084, 8600, 9400, 10105, 16168, 17200, 18800, 20210, 32336, 40420, 50525, 80840, 101050, 161680, 202100, 404200, 808400]

約数ペア:

[(1, 808400), (2, 404200), (4, 202100), (5, 161680), (8, 101050), (10, 80840), (16, 50525), (20, 40420), (25, 32336), (40, 20210), (43, 18800), (47, 17200), (50, 16168), (80, 10105), (86, 9400), (94, 8600), (100, 8084), (172, 4700), (188, 4300), (200, 4042), (215, 3760), (235, 3440), (344, 2350), (376, 2150), (400, 2021), (430, 1880), (470, 1720), (688, 1175), (752, 1075), (860, 940)]