1028920000

素因数分解:

$2^6\times 5^4\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:948

約数の個数: 140

約数和(自身を含む): 2642341680

約数和(自身を除く): 1613421680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 125, 145, 160, 200, 232, 250, 290, 320, 400, 464, 500, 580, 625, 725, 800, 887, 928, 1000, 1160, 1250, 1450, 1600, 1774, 1856, 2000, 2320, 2500, 2900, 3548, 3625, 4000, 4435, 4640, 5000, 5800, 7096, 7250, 8000, 8870, 9280, 10000, 11600, 14192, 14500, 17740, 18125, 20000, 22175, 23200, 25723, 28384, 29000, 35480, 36250, 40000, 44350, 46400, 51446, 56768, 58000, 70960, 72500, 88700, 102892, 110875, 116000, 128615, 141920, 145000, 177400, 205784, 221750, 232000, 257230, 283840, 290000, 354800, 411568, 443500, 514460, 554375, 580000, 643075, 709600, 823136, 887000, 1028920, 1108750, 1160000, 1286150, 1419200, 1646272, 1774000, 2057840, 2217500, 2572300, 3215375, 3548000, 4115680, 4435000, 5144600, 6430750, 7096000, 8231360, 8870000, 10289200, 12861500, 16076875, 17740000, 20578400, 25723000, 32153750, 35480000, 41156800, 51446000, 64307500, 102892000, 128615000, 205784000, 257230000, 514460000, 1028920000]

約数ペア:

[(1, 1028920000), (2, 514460000), (4, 257230000), (5, 205784000), (8, 128615000), (10, 102892000), (16, 64307500), (20, 51446000), (25, 41156800), (29, 35480000), (32, 32153750), (40, 25723000), (50, 20578400), (58, 17740000), (64, 16076875), (80, 12861500), (100, 10289200), (116, 8870000), (125, 8231360), (145, 7096000), (160, 6430750), (200, 5144600), (232, 4435000), (250, 4115680), (290, 3548000), (320, 3215375), (400, 2572300), (464, 2217500), (500, 2057840), (580, 1774000), (625, 1646272), (725, 1419200), (800, 1286150), (887, 1160000), (928, 1108750), (1000, 1028920), (1160, 887000), (1250, 823136), (1450, 709600), (1600, 643075), (1774, 580000), (1856, 554375), (2000, 514460), (2320, 443500), (2500, 411568), (2900, 354800), (3548, 290000), (3625, 283840), (4000, 257230), (4435, 232000), (4640, 221750), (5000, 205784), (5800, 177400), (7096, 145000), (7250, 141920), (8000, 128615), (8870, 116000), (9280, 110875), (10000, 102892), (11600, 88700), (14192, 72500), (14500, 70960), (17740, 58000), (18125, 56768), (20000, 51446), (22175, 46400), (23200, 44350), (25723, 40000), (28384, 36250), (29000, 35480)]