4460000

素因数分解:

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

素因数の和:253

約数の個数: 60

約数和(自身を含む): 11021472

約数和(自身を除く): 6561472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 223, 250, 400, 446, 500, 625, 800, 892, 1000, 1115, 1250, 1784, 2000, 2230, 2500, 3568, 4000, 4460, 5000, 5575, 7136, 8920, 10000, 11150, 17840, 20000, 22300, 27875, 35680, 44600, 55750, 89200, 111500, 139375, 178400, 223000, 278750, 446000, 557500, 892000, 1115000, 2230000, 4460000]

約数ペア:

[(1, 4460000), (2, 2230000), (4, 1115000), (5, 892000), (8, 557500), (10, 446000), (16, 278750), (20, 223000), (25, 178400), (32, 139375), (40, 111500), (50, 89200), (80, 55750), (100, 44600), (125, 35680), (160, 27875), (200, 22300), (223, 20000), (250, 17840), (400, 11150), (446, 10000), (500, 8920), (625, 7136), (800, 5575), (892, 5000), (1000, 4460), (1115, 4000), (1250, 3568), (1784, 2500), (2000, 2230)]