2217460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 5451264

約数和(自身を除く): 3233804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 337, 470, 658, 674, 940, 1316, 1348, 1645, 1685, 2359, 3290, 3370, 4718, 6580, 6740, 9436, 11795, 15839, 23590, 31678, 47180, 63356, 79195, 110873, 158390, 221746, 316780, 443492, 554365, 1108730, 2217460]

約数ペア:

[(1, 2217460), (2, 1108730), (4, 554365), (5, 443492), (7, 316780), (10, 221746), (14, 158390), (20, 110873), (28, 79195), (35, 63356), (47, 47180), (70, 31678), (94, 23590), (140, 15839), (188, 11795), (235, 9436), (329, 6740), (337, 6580), (470, 4718), (658, 3370), (674, 3290), (940, 2359), (1316, 1685), (1348, 1645)]