247485020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{2203}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 536524128

約数和(自身を除く): 289039108

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 274, 410, 548, 685, 820, 1370, 2203, 2740, 4406, 5617, 8812, 11015, 11234, 22030, 22468, 28085, 44060, 56170, 90323, 112340, 180646, 301811, 361292, 451615, 603622, 903230, 1207244, 1509055, 1806460, 3018110, 6036220, 12374251, 24748502, 49497004, 61871255, 123742510, 247485020]

約数ペア:

[(1, 247485020), (2, 123742510), (4, 61871255), (5, 49497004), (10, 24748502), (20, 12374251), (41, 6036220), (82, 3018110), (137, 1806460), (164, 1509055), (205, 1207244), (274, 903230), (410, 603622), (548, 451615), (685, 361292), (820, 301811), (1370, 180646), (2203, 112340), (2740, 90323), (4406, 56170), (5617, 44060), (8812, 28085), (11015, 22468), (11234, 22030)]