4687000

素因数分解:

$2^3\times 5^3\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 11325600

約数和(自身を除く): 6638600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 109, 125, 172, 200, 215, 218, 250, 344, 430, 436, 500, 545, 860, 872, 1000, 1075, 1090, 1720, 2150, 2180, 2725, 4300, 4360, 4687, 5375, 5450, 8600, 9374, 10750, 10900, 13625, 18748, 21500, 21800, 23435, 27250, 37496, 43000, 46870, 54500, 93740, 109000, 117175, 187480, 234350, 468700, 585875, 937400, 1171750, 2343500, 4687000]

約数ペア:

[(1, 4687000), (2, 2343500), (4, 1171750), (5, 937400), (8, 585875), (10, 468700), (20, 234350), (25, 187480), (40, 117175), (43, 109000), (50, 93740), (86, 54500), (100, 46870), (109, 43000), (125, 37496), (172, 27250), (200, 23435), (215, 21800), (218, 21500), (250, 18748), (344, 13625), (430, 10900), (436, 10750), (500, 9374), (545, 8600), (860, 5450), (872, 5375), (1000, 4687), (1075, 4360), (1090, 4300), (1720, 2725), (2150, 2180)]