820641730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{54673}}^1$

素因数の和:54778

約数の個数: 32

約数和(自身を含む): 1574611200

約数和(自身を除く): 753969470

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1501, 3002, 7505, 15010, 54673, 109346, 273365, 546730, 1038787, 2077574, 4319167, 5193935, 8638334, 10387870, 21595835, 43191670, 82064173, 164128346, 410320865, 820641730]

約数ペア:

[(1, 820641730), (2, 410320865), (5, 164128346), (10, 82064173), (19, 43191670), (38, 21595835), (79, 10387870), (95, 8638334), (158, 5193935), (190, 4319167), (395, 2077574), (790, 1038787), (1501, 546730), (3002, 273365), (7505, 109346), (15010, 54673)]