2230000

素因数分解:

$2^4\times 5^4\times {\mathrm{223}}^1$

素因数の和:251

約数の個数: 50

約数和(自身を含む): 5423264

約数和(自身を除く): 3193264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 223, 250, 400, 446, 500, 625, 892, 1000, 1115, 1250, 1784, 2000, 2230, 2500, 3568, 4460, 5000, 5575, 8920, 10000, 11150, 17840, 22300, 27875, 44600, 55750, 89200, 111500, 139375, 223000, 278750, 446000, 557500, 1115000, 2230000]

約数ペア:

[(1, 2230000), (2, 1115000), (4, 557500), (5, 446000), (8, 278750), (10, 223000), (16, 139375), (20, 111500), (25, 89200), (40, 55750), (50, 44600), (80, 27875), (100, 22300), (125, 17840), (200, 11150), (223, 10000), (250, 8920), (400, 5575), (446, 5000), (500, 4460), (625, 3568), (892, 2500), (1000, 2230), (1115, 2000), (1250, 1784)]