978171260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{5693}}^1$

素因数の和:5795

約数の個数: 72

約数和(自身を含む): 2290081248

約数和(自身を除く): 1311909988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 142, 220, 242, 284, 355, 484, 605, 710, 781, 1210, 1420, 1562, 2420, 3124, 3905, 5693, 7810, 8591, 11386, 15620, 17182, 22772, 28465, 34364, 42955, 56930, 62623, 85910, 113860, 125246, 171820, 250492, 313115, 404203, 626230, 688853, 808406, 1252460, 1377706, 1616812, 2021015, 2755412, 3444265, 4042030, 4446233, 6888530, 8084060, 8892466, 13777060, 17784932, 22231165, 44462330, 48908563, 88924660, 97817126, 195634252, 244542815, 489085630, 978171260]

約数ペア:

[(1, 978171260), (2, 489085630), (4, 244542815), (5, 195634252), (10, 97817126), (11, 88924660), (20, 48908563), (22, 44462330), (44, 22231165), (55, 17784932), (71, 13777060), (110, 8892466), (121, 8084060), (142, 6888530), (220, 4446233), (242, 4042030), (284, 3444265), (355, 2755412), (484, 2021015), (605, 1616812), (710, 1377706), (781, 1252460), (1210, 808406), (1420, 688853), (1562, 626230), (2420, 404203), (3124, 313115), (3905, 250492), (5693, 171820), (7810, 125246), (8591, 113860), (11386, 85910), (15620, 62623), (17182, 56930), (22772, 42955), (28465, 34364)]