140480900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1987}}^1$

素因数の和:2109

約数の個数: 72

約数和(自身を含む): 352019136

約数和(自身を除く): 211538236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 505, 700, 707, 1010, 1414, 1987, 2020, 2525, 2828, 3535, 3974, 5050, 7070, 7948, 9935, 10100, 13909, 14140, 17675, 19870, 27818, 35350, 39740, 49675, 55636, 69545, 70700, 99350, 139090, 198700, 200687, 278180, 347725, 401374, 695450, 802748, 1003435, 1390900, 1404809, 2006870, 2809618, 4013740, 5017175, 5619236, 7024045, 10034350, 14048090, 20068700, 28096180, 35120225, 70240450, 140480900]

約数ペア:

[(1, 140480900), (2, 70240450), (4, 35120225), (5, 28096180), (7, 20068700), (10, 14048090), (14, 10034350), (20, 7024045), (25, 5619236), (28, 5017175), (35, 4013740), (50, 2809618), (70, 2006870), (100, 1404809), (101, 1390900), (140, 1003435), (175, 802748), (202, 695450), (350, 401374), (404, 347725), (505, 278180), (700, 200687), (707, 198700), (1010, 139090), (1414, 99350), (1987, 70700), (2020, 69545), (2525, 55636), (2828, 49675), (3535, 39740), (3974, 35350), (5050, 27818), (7070, 19870), (7948, 17675), (9935, 14140), (10100, 13909)]