2787500

素因数分解:

$2^2\times 5^5\times {\mathrm{223}}^1$

素因数の和:252

約数の個数: 36

約数和(自身を含む): 6124608

約数和(自身を除く): 3337108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 223, 250, 446, 500, 625, 892, 1115, 1250, 2230, 2500, 3125, 4460, 5575, 6250, 11150, 12500, 22300, 27875, 55750, 111500, 139375, 278750, 557500, 696875, 1393750, 2787500]

約数ペア:

[(1, 2787500), (2, 1393750), (4, 696875), (5, 557500), (10, 278750), (20, 139375), (25, 111500), (50, 55750), (100, 27875), (125, 22300), (223, 12500), (250, 11150), (446, 6250), (500, 5575), (625, 4460), (892, 3125), (1115, 2500), (1250, 2230)]