2080768060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{70439}}^1$

素因数の和:70666

約数の個数: 48

約数和(自身を含む): 5017582080

約数和(自身を除く): 2936814020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1477, 2110, 2954, 4220, 5908, 7385, 14770, 29540, 70439, 140878, 281756, 352195, 493073, 704390, 986146, 1408780, 1972292, 2465365, 4930730, 9861460, 14862629, 29725258, 59450516, 74313145, 104038403, 148626290, 208076806, 297252580, 416153612, 520192015, 1040384030, 2080768060]

約数ペア:

[(1, 2080768060), (2, 1040384030), (4, 520192015), (5, 416153612), (7, 297252580), (10, 208076806), (14, 148626290), (20, 104038403), (28, 74313145), (35, 59450516), (70, 29725258), (140, 14862629), (211, 9861460), (422, 4930730), (844, 2465365), (1055, 1972292), (1477, 1408780), (2110, 986146), (2954, 704390), (4220, 493073), (5908, 352195), (7385, 281756), (14770, 140878), (29540, 70439)]