2258900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{461}}^1$

素因数の和:489

約数の個数: 54

約数和(自身を含む): 5714478

約数和(自身を除く): 3455578

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 461, 490, 700, 922, 980, 1225, 1844, 2305, 2450, 3227, 4610, 4900, 6454, 9220, 11525, 12908, 16135, 22589, 23050, 32270, 45178, 46100, 64540, 80675, 90356, 112945, 161350, 225890, 322700, 451780, 564725, 1129450, 2258900]

約数ペア:

[(1, 2258900), (2, 1129450), (4, 564725), (5, 451780), (7, 322700), (10, 225890), (14, 161350), (20, 112945), (25, 90356), (28, 80675), (35, 64540), (49, 46100), (50, 45178), (70, 32270), (98, 23050), (100, 22589), (140, 16135), (175, 12908), (196, 11525), (245, 9220), (350, 6454), (461, 4900), (490, 4610), (700, 3227), (922, 2450), (980, 2305), (1225, 1844)]