339966680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21737}}^1$

素因数の和:21788

約数の個数: 64

約数和(自身を含む): 845173440

約数和(自身を除く): 505206760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1564, 1955, 3128, 3910, 7820, 15640, 21737, 43474, 86948, 108685, 173896, 217370, 369529, 434740, 499951, 739058, 869480, 999902, 1478116, 1847645, 1999804, 2499755, 2956232, 3695290, 3999608, 4999510, 7390580, 8499167, 9999020, 14781160, 16998334, 19998040, 33996668, 42495835, 67993336, 84991670, 169983340, 339966680]

約数ペア:

[(1, 339966680), (2, 169983340), (4, 84991670), (5, 67993336), (8, 42495835), (10, 33996668), (17, 19998040), (20, 16998334), (23, 14781160), (34, 9999020), (40, 8499167), (46, 7390580), (68, 4999510), (85, 3999608), (92, 3695290), (115, 2956232), (136, 2499755), (170, 1999804), (184, 1847645), (230, 1478116), (340, 999902), (391, 869480), (460, 739058), (680, 499951), (782, 434740), (920, 369529), (1564, 217370), (1955, 173896), (3128, 108685), (3910, 86948), (7820, 43474), (15640, 21737)]