551337400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{64109}}^1$

素因数の和:64168

約数の個数: 48

約数和(自身を含む): 1311690600

約数和(自身を除く): 760353200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 64109, 128218, 256436, 320545, 512872, 641090, 1282180, 1602725, 2564360, 2756687, 3205450, 5513374, 6410900, 11026748, 12821800, 13783435, 22053496, 27566870, 55133740, 68917175, 110267480, 137834350, 275668700, 551337400]

約数ペア:

[(1, 551337400), (2, 275668700), (4, 137834350), (5, 110267480), (8, 68917175), (10, 55133740), (20, 27566870), (25, 22053496), (40, 13783435), (43, 12821800), (50, 11026748), (86, 6410900), (100, 5513374), (172, 3205450), (200, 2756687), (215, 2564360), (344, 1602725), (430, 1282180), (860, 641090), (1075, 512872), (1720, 320545), (2150, 256436), (4300, 128218), (8600, 64109)]