2213960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7907}}^1$

素因数の和:7925

約数の個数: 32

約数和(自身を含む): 5693760

約数和(自身を除く): 3479800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7907, 15814, 31628, 39535, 55349, 63256, 79070, 110698, 158140, 221396, 276745, 316280, 442792, 553490, 1106980, 2213960]

約数ペア:

[(1, 2213960), (2, 1106980), (4, 553490), (5, 442792), (7, 316280), (8, 276745), (10, 221396), (14, 158140), (20, 110698), (28, 79070), (35, 63256), (40, 55349), (56, 39535), (70, 31628), (140, 15814), (280, 7907)]