7811090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 17236800

約数和(自身を除く): 9425710

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 839, 931, 1330, 1678, 1862, 4195, 4655, 5873, 8390, 9310, 11746, 15941, 29365, 31882, 41111, 58730, 79705, 82222, 111587, 159410, 205555, 223174, 411110, 557935, 781109, 1115870, 1562218, 3905545, 7811090]

約数ペア:

[(1, 7811090), (2, 3905545), (5, 1562218), (7, 1115870), (10, 781109), (14, 557935), (19, 411110), (35, 223174), (38, 205555), (49, 159410), (70, 111587), (95, 82222), (98, 79705), (133, 58730), (190, 41111), (245, 31882), (266, 29365), (490, 15941), (665, 11746), (839, 9310), (931, 8390), (1330, 5873), (1678, 4655), (1862, 4195)]