158978440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:982

約数の個数: 64

約数和(自身を含む): 369308160

約数和(自身を除く): 210329720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 103, 188, 206, 235, 376, 412, 470, 515, 821, 824, 940, 1030, 1642, 1880, 2060, 3284, 4105, 4120, 4841, 6568, 8210, 9682, 16420, 19364, 24205, 32840, 38587, 38728, 48410, 77174, 84563, 96820, 154348, 169126, 192935, 193640, 308696, 338252, 385870, 422815, 676504, 771740, 845630, 1543480, 1691260, 3382520, 3974461, 7948922, 15897844, 19872305, 31795688, 39744610, 79489220, 158978440]

約数ペア:

[(1, 158978440), (2, 79489220), (4, 39744610), (5, 31795688), (8, 19872305), (10, 15897844), (20, 7948922), (40, 3974461), (47, 3382520), (94, 1691260), (103, 1543480), (188, 845630), (206, 771740), (235, 676504), (376, 422815), (412, 385870), (470, 338252), (515, 308696), (821, 193640), (824, 192935), (940, 169126), (1030, 154348), (1642, 96820), (1880, 84563), (2060, 77174), (3284, 48410), (4105, 38728), (4120, 38587), (4841, 32840), (6568, 24205), (8210, 19364), (9682, 16420)]