207932440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305783}}^1$

素因数の和:305811

約数の個数: 32

約数和(自身を含む): 495370080

約数和(自身を除く): 287437640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 305783, 611566, 1223132, 1528915, 2446264, 3057830, 5198311, 6115660, 10396622, 12231320, 20793244, 25991555, 41586488, 51983110, 103966220, 207932440]

約数ペア:

[(1, 207932440), (2, 103966220), (4, 51983110), (5, 41586488), (8, 25991555), (10, 20793244), (17, 12231320), (20, 10396622), (34, 6115660), (40, 5198311), (68, 3057830), (85, 2446264), (136, 1528915), (170, 1223132), (340, 611566), (680, 305783)]