1302980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 3217536

約数和(自身を除く): 1914556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 227, 287, 410, 454, 574, 820, 908, 1135, 1148, 1435, 1589, 2270, 2870, 3178, 4540, 5740, 6356, 7945, 9307, 15890, 18614, 31780, 37228, 46535, 65149, 93070, 130298, 186140, 260596, 325745, 651490, 1302980]

約数ペア:

[(1, 1302980), (2, 651490), (4, 325745), (5, 260596), (7, 186140), (10, 130298), (14, 93070), (20, 65149), (28, 46535), (35, 37228), (41, 31780), (70, 18614), (82, 15890), (140, 9307), (164, 7945), (205, 6356), (227, 5740), (287, 4540), (410, 3178), (454, 2870), (574, 2270), (820, 1589), (908, 1435), (1135, 1148)]