158138000

素因数分解:

$2^4\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2197

約数の個数: 80

約数和(自身を含む): 392895984

約数和(自身を除く): 234757984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 125, 148, 185, 200, 250, 296, 370, 400, 500, 592, 740, 925, 1000, 1480, 1850, 2000, 2137, 2960, 3700, 4274, 4625, 7400, 8548, 9250, 10685, 14800, 17096, 18500, 21370, 34192, 37000, 42740, 53425, 74000, 79069, 85480, 106850, 158138, 170960, 213700, 267125, 316276, 395345, 427400, 534250, 632552, 790690, 854800, 1068500, 1265104, 1581380, 1976725, 2137000, 3162760, 3953450, 4274000, 6325520, 7906900, 9883625, 15813800, 19767250, 31627600, 39534500, 79069000, 158138000]

約数ペア:

[(1, 158138000), (2, 79069000), (4, 39534500), (5, 31627600), (8, 19767250), (10, 15813800), (16, 9883625), (20, 7906900), (25, 6325520), (37, 4274000), (40, 3953450), (50, 3162760), (74, 2137000), (80, 1976725), (100, 1581380), (125, 1265104), (148, 1068500), (185, 854800), (200, 790690), (250, 632552), (296, 534250), (370, 427400), (400, 395345), (500, 316276), (592, 267125), (740, 213700), (925, 170960), (1000, 158138), (1480, 106850), (1850, 85480), (2000, 79069), (2137, 74000), (2960, 53425), (3700, 42740), (4274, 37000), (4625, 34192), (7400, 21370), (8548, 18500), (9250, 17096), (10685, 14800)]