1247000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:93

約数の個数: 64

約数和(自身を含む): 3088800

約数和(自身を除く): 1841800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 43, 50, 58, 86, 100, 116, 125, 145, 172, 200, 215, 232, 250, 290, 344, 430, 500, 580, 725, 860, 1000, 1075, 1160, 1247, 1450, 1720, 2150, 2494, 2900, 3625, 4300, 4988, 5375, 5800, 6235, 7250, 8600, 9976, 10750, 12470, 14500, 21500, 24940, 29000, 31175, 43000, 49880, 62350, 124700, 155875, 249400, 311750, 623500, 1247000]

約数ペア:

[(1, 1247000), (2, 623500), (4, 311750), (5, 249400), (8, 155875), (10, 124700), (20, 62350), (25, 49880), (29, 43000), (40, 31175), (43, 29000), (50, 24940), (58, 21500), (86, 14500), (100, 12470), (116, 10750), (125, 9976), (145, 8600), (172, 7250), (200, 6235), (215, 5800), (232, 5375), (250, 4988), (290, 4300), (344, 3625), (430, 2900), (500, 2494), (580, 2150), (725, 1720), (860, 1450), (1000, 1247), (1075, 1160)]