207905390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1399}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 469324800

約数和(自身を除く): 261419410

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 193, 385, 386, 770, 965, 1351, 1399, 1930, 2123, 2702, 2798, 4246, 6755, 6995, 9793, 10615, 13510, 13990, 14861, 15389, 19586, 21230, 29722, 30778, 48965, 74305, 76945, 97930, 107723, 148610, 153890, 215446, 270007, 538615, 540014, 1077230, 1350035, 1890049, 2700070, 2970077, 3780098, 5940154, 9450245, 14850385, 18900490, 20790539, 29700770, 41581078, 103952695, 207905390]

約数ペア:

[(1, 207905390), (2, 103952695), (5, 41581078), (7, 29700770), (10, 20790539), (11, 18900490), (14, 14850385), (22, 9450245), (35, 5940154), (55, 3780098), (70, 2970077), (77, 2700070), (110, 1890049), (154, 1350035), (193, 1077230), (385, 540014), (386, 538615), (770, 270007), (965, 215446), (1351, 153890), (1399, 148610), (1930, 107723), (2123, 97930), (2702, 76945), (2798, 74305), (4246, 48965), (6755, 30778), (6995, 29722), (9793, 21230), (10615, 19586), (13510, 15389), (13990, 14861)]