68418280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244351}}^1$

素因数の和:244369

約数の個数: 32

約数和(自身を含む): 175933440

約数和(自身を除く): 107515160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244351, 488702, 977404, 1221755, 1710457, 1954808, 2443510, 3420914, 4887020, 6841828, 8552285, 9774040, 13683656, 17104570, 34209140, 68418280]

約数ペア:

[(1, 68418280), (2, 34209140), (4, 17104570), (5, 13683656), (7, 9774040), (8, 8552285), (10, 6841828), (14, 4887020), (20, 3420914), (28, 2443510), (35, 1954808), (40, 1710457), (56, 1221755), (70, 977404), (140, 488702), (280, 244351)]