68450000

素因数分解:

$2^4\times 5^5\times {\mathrm{37}}^2$

素因数の和:107

約数の個数: 90

約数和(自身を含む): 170368002

約数和(自身を除く): 101918002

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, 625, 740, 925, 1000, 1250, 1369, 1480, 1850, 2000, 2500, 2738, 2960, 3125, 3700, 4625, 5000, 5476, 6250, 6845, 7400, 9250, 10000, 10952, 12500, 13690, 14800, 18500, 21904, 23125, 25000, 27380, 34225, 37000, 46250, 50000, 54760, 68450, 74000, 92500, 109520, 115625, 136900, 171125, 185000, 231250, 273800, 342250, 370000, 462500, 547600, 684500, 855625, 925000, 1369000, 1711250, 1850000, 2738000, 3422500, 4278125, 6845000, 8556250, 13690000, 17112500, 34225000, 68450000]

約数ペア:

[(1, 68450000), (2, 34225000), (4, 17112500), (5, 13690000), (8, 8556250), (10, 6845000), (16, 4278125), (20, 3422500), (25, 2738000), (37, 1850000), (40, 1711250), (50, 1369000), (74, 925000), (80, 855625), (100, 684500), (125, 547600), (148, 462500), (185, 370000), (200, 342250), (250, 273800), (296, 231250), (370, 185000), (400, 171125), (500, 136900), (592, 115625), (625, 109520), (740, 92500), (925, 74000), (1000, 68450), (1250, 54760), (1369, 50000), (1480, 46250), (1850, 37000), (2000, 34225), (2500, 27380), (2738, 25000), (2960, 23125), (3125, 21904), (3700, 18500), (4625, 14800), (5000, 13690), (5476, 12500), (6250, 10952), (6845, 10000), (7400, 9250)]