139151960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{74017}}^1$

素因数の和:74075

約数の個数: 32

約数和(自身を含む): 319757760

約数和(自身を除く): 180605800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 74017, 148034, 296068, 370085, 592136, 740170, 1480340, 2960680, 3478799, 6957598, 13915196, 17393995, 27830392, 34787990, 69575980, 139151960]

約数ペア:

[(1, 139151960), (2, 69575980), (4, 34787990), (5, 27830392), (8, 17393995), (10, 13915196), (20, 6957598), (40, 3478799), (47, 2960680), (94, 1480340), (188, 740170), (235, 592136), (376, 370085), (470, 296068), (940, 148034), (1880, 74017)]