28718900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{5861}}^1$

素因数の和:5889

約数の個数: 54

約数和(自身を含む): 72507078

約数和(自身を除く): 43788178

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 5861, 11722, 23444, 29305, 41027, 58610, 82054, 117220, 146525, 164108, 205135, 287189, 293050, 410270, 574378, 586100, 820540, 1025675, 1148756, 1435945, 2051350, 2871890, 4102700, 5743780, 7179725, 14359450, 28718900]

約数ペア:

[(1, 28718900), (2, 14359450), (4, 7179725), (5, 5743780), (7, 4102700), (10, 2871890), (14, 2051350), (20, 1435945), (25, 1148756), (28, 1025675), (35, 820540), (49, 586100), (50, 574378), (70, 410270), (98, 293050), (100, 287189), (140, 205135), (175, 164108), (196, 146525), (245, 117220), (350, 82054), (490, 58610), (700, 41027), (980, 29305), (1225, 23444), (2450, 11722), (4900, 5861)]