68758180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 148619520

約数和(自身を除く): 79861340

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 193, 235, 379, 386, 470, 758, 772, 940, 965, 1516, 1895, 1930, 3790, 3860, 7580, 9071, 17813, 18142, 35626, 36284, 45355, 71252, 73147, 89065, 90710, 146294, 178130, 181420, 292588, 356260, 365735, 731470, 1462940, 3437909, 6875818, 13751636, 17189545, 34379090, 68758180]

約数ペア:

[(1, 68758180), (2, 34379090), (4, 17189545), (5, 13751636), (10, 6875818), (20, 3437909), (47, 1462940), (94, 731470), (188, 365735), (193, 356260), (235, 292588), (379, 181420), (386, 178130), (470, 146294), (758, 90710), (772, 89065), (940, 73147), (965, 71252), (1516, 45355), (1895, 36284), (1930, 35626), (3790, 18142), (3860, 17813), (7580, 9071)]