1296260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 3193344

約数和(自身を除く): 1897084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 197, 235, 329, 394, 470, 658, 788, 940, 985, 1316, 1379, 1645, 1970, 2758, 3290, 3940, 5516, 6580, 6895, 9259, 13790, 18518, 27580, 37036, 46295, 64813, 92590, 129626, 185180, 259252, 324065, 648130, 1296260]

約数ペア:

[(1, 1296260), (2, 648130), (4, 324065), (5, 259252), (7, 185180), (10, 129626), (14, 92590), (20, 64813), (28, 46295), (35, 37036), (47, 27580), (70, 18518), (94, 13790), (140, 9259), (188, 6895), (197, 6580), (235, 5516), (329, 3940), (394, 3290), (470, 2758), (658, 1970), (788, 1645), (940, 1379), (985, 1316)]