2019988875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{316861}}^1$

素因数の和:316896

約数の個数: 32

約数和(自身を含む): 3558993984

約数和(自身を除く): 1539005109

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 6375, 316861, 950583, 1584305, 4752915, 5386637, 7921525, 16159911, 23764575, 26933185, 39607625, 80799555, 118822875, 134665925, 403997775, 673329625, 2019988875]

約数ペア:

[(1, 2019988875), (3, 673329625), (5, 403997775), (15, 134665925), (17, 118822875), (25, 80799555), (51, 39607625), (75, 26933185), (85, 23764575), (125, 16159911), (255, 7921525), (375, 5386637), (425, 4752915), (1275, 1584305), (2125, 950583), (6375, 316861)]