311938075

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 36

約数和(自身を含む): 410060560

約数和(自身を除く): 98122485

約数列:

[1, 5, 23, 25, 103, 115, 229, 515, 529, 575, 1145, 2369, 2575, 2645, 5267, 5725, 11845, 13225, 23587, 26335, 54487, 59225, 117935, 121141, 131675, 272435, 542501, 589675, 605705, 1362175, 2712505, 3028525, 12477523, 13562525, 62387615, 311938075]

約数ペア:

[(1, 311938075), (5, 62387615), (23, 13562525), (25, 12477523), (103, 3028525), (115, 2712505), (229, 1362175), (515, 605705), (529, 589675), (575, 542501), (1145, 272435), (2369, 131675), (2575, 121141), (2645, 117935), (5267, 59225), (5725, 54487), (11845, 26335), (13225, 23587)]