205509220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{35803}}^1$

素因数の和:35860

約数の個数: 48

約数和(自身を含む): 505266048

約数和(自身を除く): 299756828

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, 35803, 71606, 143212, 179015, 250621, 358030, 501242, 716060, 1002484, 1253105, 1467923, 2506210, 2935846, 5012420, 5871692, 7339615, 10275461, 14679230, 20550922, 29358460, 41101844, 51377305, 102754610, 205509220]

約数ペア:

[(1, 205509220), (2, 102754610), (4, 51377305), (5, 41101844), (7, 29358460), (10, 20550922), (14, 14679230), (20, 10275461), (28, 7339615), (35, 5871692), (41, 5012420), (70, 2935846), (82, 2506210), (140, 1467923), (164, 1253105), (205, 1002484), (287, 716060), (410, 501242), (574, 358030), (820, 250621), (1148, 179015), (1435, 143212), (2870, 71606), (5740, 35803)]