82372780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8287}}^1$

素因数の和:8374

約数の個数: 48

約数和(自身を含む): 200503296

約数和(自身を除く): 118130516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8287, 9940, 16574, 33148, 41435, 58009, 82870, 116018, 165740, 232036, 290045, 580090, 588377, 1160180, 1176754, 2353508, 2941885, 4118639, 5883770, 8237278, 11767540, 16474556, 20593195, 41186390, 82372780]

約数ペア:

[(1, 82372780), (2, 41186390), (4, 20593195), (5, 16474556), (7, 11767540), (10, 8237278), (14, 5883770), (20, 4118639), (28, 2941885), (35, 2353508), (70, 1176754), (71, 1160180), (140, 588377), (142, 580090), (284, 290045), (355, 232036), (497, 165740), (710, 116018), (994, 82870), (1420, 58009), (1988, 41435), (2485, 33148), (4970, 16574), (8287, 9940)]