171496040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{99707}}^1$

素因数の和:99761

約数の個数: 32

約数和(自身を含む): 394843680

約数和(自身を除く): 223347640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 99707, 199414, 398828, 498535, 797656, 997070, 1994140, 3988280, 4287401, 8574802, 17149604, 21437005, 34299208, 42874010, 85748020, 171496040]

約数ペア:

[(1, 171496040), (2, 85748020), (4, 42874010), (5, 34299208), (8, 21437005), (10, 17149604), (20, 8574802), (40, 4287401), (43, 3988280), (86, 1994140), (172, 997070), (215, 797656), (344, 498535), (430, 398828), (860, 199414), (1720, 99707)]