2809625

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 48

約数和(自身を含む): 4567680

約数和(自身を除く): 1758055

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 125, 133, 169, 175, 247, 325, 455, 475, 665, 845, 875, 1183, 1235, 1625, 1729, 2275, 2375, 3211, 3325, 4225, 5915, 6175, 8645, 11375, 16055, 16625, 21125, 22477, 29575, 30875, 43225, 80275, 112385, 147875, 216125, 401375, 561925, 2809625]

約数ペア:

[(1, 2809625), (5, 561925), (7, 401375), (13, 216125), (19, 147875), (25, 112385), (35, 80275), (65, 43225), (91, 30875), (95, 29575), (125, 22477), (133, 21125), (169, 16625), (175, 16055), (247, 11375), (325, 8645), (455, 6175), (475, 5915), (665, 4225), (845, 3325), (875, 3211), (1183, 2375), (1235, 2275), (1625, 1729)]