22490200

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{809}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 52731000

約数和(自身を除く): 30240800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 809, 1112, 1390, 1618, 2780, 3236, 3475, 4045, 5560, 6472, 6950, 8090, 13900, 16180, 20225, 27800, 32360, 40450, 80900, 112451, 161800, 224902, 449804, 562255, 899608, 1124510, 2249020, 2811275, 4498040, 5622550, 11245100, 22490200]

約数ペア:

[(1, 22490200), (2, 11245100), (4, 5622550), (5, 4498040), (8, 2811275), (10, 2249020), (20, 1124510), (25, 899608), (40, 562255), (50, 449804), (100, 224902), (139, 161800), (200, 112451), (278, 80900), (556, 40450), (695, 32360), (809, 27800), (1112, 20225), (1390, 16180), (1618, 13900), (2780, 8090), (3236, 6950), (3475, 6472), (4045, 5560)]