1990456770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{990277}}^1$

素因数の和:990354

約数の個数: 32

約数和(自身を含む): 4848401088

約数和(自身を除く): 2857944318

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 990277, 1980554, 2970831, 4951385, 5941662, 9902770, 14854155, 29708310, 66348559, 132697118, 199045677, 331742795, 398091354, 663485590, 995228385, 1990456770]

約数ペア:

[(1, 1990456770), (2, 995228385), (3, 663485590), (5, 398091354), (6, 331742795), (10, 199045677), (15, 132697118), (30, 66348559), (67, 29708310), (134, 14854155), (201, 9902770), (335, 5941662), (402, 4951385), (670, 2970831), (1005, 1980554), (2010, 990277)]