31894000

素因数分解:

$2^4\times 5^3\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 80

約数和(自身を含む): 79387776

約数和(自身を除く): 47493776

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, 431, 500, 592, 740, 862, 925, 1000, 1480, 1724, 1850, 2000, 2155, 2960, 3448, 3700, 4310, 4625, 6896, 7400, 8620, 9250, 10775, 14800, 15947, 17240, 18500, 21550, 31894, 34480, 37000, 43100, 53875, 63788, 74000, 79735, 86200, 107750, 127576, 159470, 172400, 215500, 255152, 318940, 398675, 431000, 637880, 797350, 862000, 1275760, 1594700, 1993375, 3189400, 3986750, 6378800, 7973500, 15947000, 31894000]

約数ペア:

[(1, 31894000), (2, 15947000), (4, 7973500), (5, 6378800), (8, 3986750), (10, 3189400), (16, 1993375), (20, 1594700), (25, 1275760), (37, 862000), (40, 797350), (50, 637880), (74, 431000), (80, 398675), (100, 318940), (125, 255152), (148, 215500), (185, 172400), (200, 159470), (250, 127576), (296, 107750), (370, 86200), (400, 79735), (431, 74000), (500, 63788), (592, 53875), (740, 43100), (862, 37000), (925, 34480), (1000, 31894), (1480, 21550), (1724, 18500), (1850, 17240), (2000, 15947), (2155, 14800), (2960, 10775), (3448, 9250), (3700, 8620), (4310, 7400), (4625, 6896)]