269536040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{156707}}^1$

素因数の和:156761

約数の個数: 32

約数和(自身を含む): 620563680

約数和(自身を除く): 351027640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 156707, 313414, 626828, 783535, 1253656, 1567070, 3134140, 6268280, 6738401, 13476802, 26953604, 33692005, 53907208, 67384010, 134768020, 269536040]

約数ペア:

[(1, 269536040), (2, 134768020), (4, 67384010), (5, 53907208), (8, 33692005), (10, 26953604), (20, 13476802), (40, 6738401), (43, 6268280), (86, 3134140), (172, 1567070), (215, 1253656), (344, 783535), (430, 626828), (860, 313414), (1720, 156707)]