948320780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{226871}}^1$

素因数の和:226910

約数の個数: 48

約数和(自身を含む): 2286869760

約数和(自身を除く): 1338548980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 226871, 453742, 907484, 1134355, 2268710, 2495581, 4310549, 4537420, 4991162, 8621098, 9982324, 12477905, 17242196, 21552745, 24955810, 43105490, 47416039, 49911620, 86210980, 94832078, 189664156, 237080195, 474160390, 948320780]

約数ペア:

[(1, 948320780), (2, 474160390), (4, 237080195), (5, 189664156), (10, 94832078), (11, 86210980), (19, 49911620), (20, 47416039), (22, 43105490), (38, 24955810), (44, 21552745), (55, 17242196), (76, 12477905), (95, 9982324), (110, 8621098), (190, 4991162), (209, 4537420), (220, 4310549), (380, 2495581), (418, 2268710), (836, 1134355), (1045, 907484), (2090, 453742), (4180, 226871)]