28032620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 74511360

約数和(自身を除く): 46478740

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 109, 110, 140, 154, 167, 218, 220, 308, 334, 385, 436, 545, 668, 763, 770, 835, 1090, 1169, 1199, 1526, 1540, 1670, 1837, 2180, 2338, 2398, 3052, 3340, 3674, 3815, 4676, 4796, 5845, 5995, 7348, 7630, 8393, 9185, 11690, 11990, 12859, 15260, 16786, 18203, 18370, 23380, 23980, 25718, 33572, 36406, 36740, 41965, 51436, 64295, 72812, 83930, 91015, 127421, 128590, 167860, 182030, 200233, 254842, 257180, 364060, 400466, 509684, 637105, 800932, 1001165, 1274210, 1401631, 2002330, 2548420, 2803262, 4004660, 5606524, 7008155, 14016310, 28032620]

約数ペア:

[(1, 28032620), (2, 14016310), (4, 7008155), (5, 5606524), (7, 4004660), (10, 2803262), (11, 2548420), (14, 2002330), (20, 1401631), (22, 1274210), (28, 1001165), (35, 800932), (44, 637105), (55, 509684), (70, 400466), (77, 364060), (109, 257180), (110, 254842), (140, 200233), (154, 182030), (167, 167860), (218, 128590), (220, 127421), (308, 91015), (334, 83930), (385, 72812), (436, 64295), (545, 51436), (668, 41965), (763, 36740), (770, 36406), (835, 33572), (1090, 25718), (1169, 23980), (1199, 23380), (1526, 18370), (1540, 18203), (1670, 16786), (1837, 15260), (2180, 12859), (2338, 11990), (2398, 11690), (3052, 9185), (3340, 8393), (3674, 7630), (3815, 7348), (4676, 5995), (4796, 5845)]