137844440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{47207}}^1$

素因数の和:47291

約数の個数: 32

約数和(自身を含む): 314405280

約数和(自身を除く): 176560840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 47207, 94414, 188828, 236035, 377656, 472070, 944140, 1888280, 3446111, 6892222, 13784444, 17230555, 27568888, 34461110, 68922220, 137844440]

約数ペア:

[(1, 137844440), (2, 68922220), (4, 34461110), (5, 27568888), (8, 17230555), (10, 13784444), (20, 6892222), (40, 3446111), (73, 1888280), (146, 944140), (292, 472070), (365, 377656), (584, 236035), (730, 188828), (1460, 94414), (2920, 47207)]