1312900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:724

約数の個数: 36

約数和(自身を含む): 3003280

約数和(自身を除く): 1690380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 691, 950, 1382, 1900, 2764, 3455, 6910, 13129, 13820, 17275, 26258, 34550, 52516, 65645, 69100, 131290, 262580, 328225, 656450, 1312900]

約数ペア:

[(1, 1312900), (2, 656450), (4, 328225), (5, 262580), (10, 131290), (19, 69100), (20, 65645), (25, 52516), (38, 34550), (50, 26258), (76, 17275), (95, 13820), (100, 13129), (190, 6910), (380, 3455), (475, 2764), (691, 1900), (950, 1382)]