2990680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 8398080

約数和(自身を除く): 5407400

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, 971, 1540, 1942, 3080, 3884, 4855, 6797, 7768, 9710, 10681, 13594, 19420, 21362, 27188, 33985, 38840, 42724, 53405, 54376, 67970, 74767, 85448, 106810, 135940, 149534, 213620, 271880, 299068, 373835, 427240, 598136, 747670, 1495340, 2990680]

約数ペア:

[(1, 2990680), (2, 1495340), (4, 747670), (5, 598136), (7, 427240), (8, 373835), (10, 299068), (11, 271880), (14, 213620), (20, 149534), (22, 135940), (28, 106810), (35, 85448), (40, 74767), (44, 67970), (55, 54376), (56, 53405), (70, 42724), (77, 38840), (88, 33985), (110, 27188), (140, 21362), (154, 19420), (220, 13594), (280, 10681), (308, 9710), (385, 7768), (440, 6797), (616, 4855), (770, 3884), (971, 3080), (1540, 1942)]