210276880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5557}}^1$

素因数の和:5624

約数の個数: 80

約数和(自身を含む): 545840064

約数和(自身を除く): 335563184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 5557, 7568, 9460, 11114, 18920, 22228, 27785, 37840, 44456, 55570, 61127, 88912, 111140, 122254, 222280, 238951, 244508, 305635, 444560, 477902, 489016, 611270, 955804, 978032, 1194755, 1222540, 1911608, 2389510, 2445080, 2628461, 3823216, 4779020, 4890160, 5256922, 9558040, 10513844, 13142305, 19116080, 21027688, 26284610, 42055376, 52569220, 105138440, 210276880]

約数ペア:

[(1, 210276880), (2, 105138440), (4, 52569220), (5, 42055376), (8, 26284610), (10, 21027688), (11, 19116080), (16, 13142305), (20, 10513844), (22, 9558040), (40, 5256922), (43, 4890160), (44, 4779020), (55, 3823216), (80, 2628461), (86, 2445080), (88, 2389510), (110, 1911608), (172, 1222540), (176, 1194755), (215, 978032), (220, 955804), (344, 611270), (430, 489016), (440, 477902), (473, 444560), (688, 305635), (860, 244508), (880, 238951), (946, 222280), (1720, 122254), (1892, 111140), (2365, 88912), (3440, 61127), (3784, 55570), (4730, 44456), (5557, 37840), (7568, 27785), (9460, 22228), (11114, 18920)]