212916400

素因数分解:

$2^4\times 5^2\times {\mathrm{487}}^1\times {\mathrm{1093}}^1$

素因数の和:1598

約数の個数: 60

約数和(自身を含む): 513050992

約数和(自身を除く): 300134592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 487, 974, 1093, 1948, 2186, 2435, 3896, 4372, 4870, 5465, 7792, 8744, 9740, 10930, 12175, 17488, 19480, 21860, 24350, 27325, 38960, 43720, 48700, 54650, 87440, 97400, 109300, 194800, 218600, 437200, 532291, 1064582, 2129164, 2661455, 4258328, 5322910, 8516656, 10645820, 13307275, 21291640, 26614550, 42583280, 53229100, 106458200, 212916400]

約数ペア:

[(1, 212916400), (2, 106458200), (4, 53229100), (5, 42583280), (8, 26614550), (10, 21291640), (16, 13307275), (20, 10645820), (25, 8516656), (40, 5322910), (50, 4258328), (80, 2661455), (100, 2129164), (200, 1064582), (400, 532291), (487, 437200), (974, 218600), (1093, 194800), (1948, 109300), (2186, 97400), (2435, 87440), (3896, 54650), (4372, 48700), (4870, 43720), (5465, 38960), (7792, 27325), (8744, 24350), (9740, 21860), (10930, 19480), (12175, 17488)]