1091420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 48

約数和(自身を含む): 2582496

約数和(自身を除く): 1491076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 451, 484, 605, 820, 902, 1210, 1331, 1804, 2255, 2420, 2662, 4510, 4961, 5324, 6655, 9020, 9922, 13310, 19844, 24805, 26620, 49610, 54571, 99220, 109142, 218284, 272855, 545710, 1091420]

約数ペア:

[(1, 1091420), (2, 545710), (4, 272855), (5, 218284), (10, 109142), (11, 99220), (20, 54571), (22, 49610), (41, 26620), (44, 24805), (55, 19844), (82, 13310), (110, 9922), (121, 9020), (164, 6655), (205, 5324), (220, 4961), (242, 4510), (410, 2662), (451, 2420), (484, 2255), (605, 1804), (820, 1331), (902, 1210)]