216989080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70451}}^1$

素因数の和:70480

約数の個数: 64

約数和(自身を含む): 608705280

約数和(自身を除く): 391716200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 70451, 140902, 281804, 352255, 493157, 563608, 704510, 774961, 986314, 1409020, 1549922, 1972628, 2465785, 2818040, 3099844, 3874805, 3945256, 4931570, 5424727, 6199688, 7749610, 9863140, 10849454, 15499220, 19726280, 21698908, 27123635, 30998440, 43397816, 54247270, 108494540, 216989080]

約数ペア:

[(1, 216989080), (2, 108494540), (4, 54247270), (5, 43397816), (7, 30998440), (8, 27123635), (10, 21698908), (11, 19726280), (14, 15499220), (20, 10849454), (22, 9863140), (28, 7749610), (35, 6199688), (40, 5424727), (44, 4931570), (55, 3945256), (56, 3874805), (70, 3099844), (77, 2818040), (88, 2465785), (110, 1972628), (140, 1549922), (154, 1409020), (220, 986314), (280, 774961), (308, 704510), (385, 563608), (440, 493157), (616, 352255), (770, 281804), (1540, 140902), (3080, 70451)]