9947000

素因数分解:

$2^3\times 5^3\times 7^3\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 128

約数和(自身を含む): 28080000

約数和(自身を除く): 18133000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 125, 140, 145, 175, 196, 200, 203, 232, 245, 250, 280, 290, 343, 350, 392, 406, 490, 500, 580, 686, 700, 725, 812, 875, 980, 1000, 1015, 1160, 1225, 1372, 1400, 1421, 1450, 1624, 1715, 1750, 1960, 2030, 2450, 2744, 2842, 2900, 3430, 3500, 3625, 4060, 4900, 5075, 5684, 5800, 6125, 6860, 7000, 7105, 7250, 8120, 8575, 9800, 9947, 10150, 11368, 12250, 13720, 14210, 14500, 17150, 19894, 20300, 24500, 25375, 28420, 29000, 34300, 35525, 39788, 40600, 42875, 49000, 49735, 50750, 56840, 68600, 71050, 79576, 85750, 99470, 101500, 142100, 171500, 177625, 198940, 203000, 248675, 284200, 343000, 355250, 397880, 497350, 710500, 994700, 1243375, 1421000, 1989400, 2486750, 4973500, 9947000]

約数ペア:

[(1, 9947000), (2, 4973500), (4, 2486750), (5, 1989400), (7, 1421000), (8, 1243375), (10, 994700), (14, 710500), (20, 497350), (25, 397880), (28, 355250), (29, 343000), (35, 284200), (40, 248675), (49, 203000), (50, 198940), (56, 177625), (58, 171500), (70, 142100), (98, 101500), (100, 99470), (116, 85750), (125, 79576), (140, 71050), (145, 68600), (175, 56840), (196, 50750), (200, 49735), (203, 49000), (232, 42875), (245, 40600), (250, 39788), (280, 35525), (290, 34300), (343, 29000), (350, 28420), (392, 25375), (406, 24500), (490, 20300), (500, 19894), (580, 17150), (686, 14500), (700, 14210), (725, 13720), (812, 12250), (875, 11368), (980, 10150), (1000, 9947), (1015, 9800), (1160, 8575), (1225, 8120), (1372, 7250), (1400, 7105), (1421, 7000), (1450, 6860), (1624, 6125), (1715, 5800), (1750, 5684), (1960, 5075), (2030, 4900), (2450, 4060), (2744, 3625), (2842, 3500), (2900, 3430)]