308216680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2647}}^1$

素因数の和:2770

約数の個数: 64

約数和(自身を含む): 720679680

約数和(自身を除く): 412463000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 820, 1420, 1640, 2647, 2840, 2911, 5294, 5822, 10588, 11644, 13235, 14555, 21176, 23288, 26470, 29110, 52940, 58220, 105880, 108527, 116440, 187937, 217054, 375874, 434108, 542635, 751748, 868216, 939685, 1085270, 1503496, 1879370, 2170540, 3758740, 4341080, 7517480, 7705417, 15410834, 30821668, 38527085, 61643336, 77054170, 154108340, 308216680]

約数ペア:

[(1, 308216680), (2, 154108340), (4, 77054170), (5, 61643336), (8, 38527085), (10, 30821668), (20, 15410834), (40, 7705417), (41, 7517480), (71, 4341080), (82, 3758740), (142, 2170540), (164, 1879370), (205, 1503496), (284, 1085270), (328, 939685), (355, 868216), (410, 751748), (568, 542635), (710, 434108), (820, 375874), (1420, 217054), (1640, 187937), (2647, 116440), (2840, 108527), (2911, 105880), (5294, 58220), (5822, 52940), (10588, 29110), (11644, 26470), (13235, 23288), (14555, 21176)]