208080740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36251}}^1$

素因数の和:36308

約数の個数: 48

約数和(自身を含む): 511588224

約数和(自身を除く): 303507484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 36251, 72502, 145004, 181255, 253757, 362510, 507514, 725020, 1015028, 1268785, 1486291, 2537570, 2972582, 5075140, 5945164, 7431455, 10404037, 14862910, 20808074, 29725820, 41616148, 52020185, 104040370, 208080740]

約数ペア:

[(1, 208080740), (2, 104040370), (4, 52020185), (5, 41616148), (7, 29725820), (10, 20808074), (14, 14862910), (20, 10404037), (28, 7431455), (35, 5945164), (41, 5075140), (70, 2972582), (82, 2537570), (140, 1486291), (164, 1268785), (205, 1015028), (287, 725020), (410, 507514), (574, 362510), (820, 253757), (1148, 181255), (1435, 145004), (2870, 72502), (5740, 36251)]