24720500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{1009}}^1$

素因数の和:1042

約数の個数: 72

約数和(自身を含む): 62866440

約数和(自身を除く): 38145940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1009, 1225, 1750, 2018, 2450, 3500, 4036, 4900, 5045, 6125, 7063, 10090, 12250, 14126, 20180, 24500, 25225, 28252, 35315, 49441, 50450, 70630, 98882, 100900, 126125, 141260, 176575, 197764, 247205, 252250, 353150, 494410, 504500, 706300, 882875, 988820, 1236025, 1765750, 2472050, 3531500, 4944100, 6180125, 12360250, 24720500]

約数ペア:

[(1, 24720500), (2, 12360250), (4, 6180125), (5, 4944100), (7, 3531500), (10, 2472050), (14, 1765750), (20, 1236025), (25, 988820), (28, 882875), (35, 706300), (49, 504500), (50, 494410), (70, 353150), (98, 252250), (100, 247205), (125, 197764), (140, 176575), (175, 141260), (196, 126125), (245, 100900), (250, 98882), (350, 70630), (490, 50450), (500, 49441), (700, 35315), (875, 28252), (980, 25225), (1009, 24500), (1225, 20180), (1750, 14126), (2018, 12250), (2450, 10090), (3500, 7063), (4036, 6125), (4900, 5045)]