28177660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4909}}^1$

素因数の和:4966

約数の個数: 48

約数和(自身を含む): 69289920

約数和(自身を除く): 41112260

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, 4909, 5740, 9818, 19636, 24545, 34363, 49090, 68726, 98180, 137452, 171815, 201269, 343630, 402538, 687260, 805076, 1006345, 1408883, 2012690, 2817766, 4025380, 5635532, 7044415, 14088830, 28177660]

約数ペア:

[(1, 28177660), (2, 14088830), (4, 7044415), (5, 5635532), (7, 4025380), (10, 2817766), (14, 2012690), (20, 1408883), (28, 1006345), (35, 805076), (41, 687260), (70, 402538), (82, 343630), (140, 201269), (164, 171815), (205, 137452), (287, 98180), (410, 68726), (574, 49090), (820, 34363), (1148, 24545), (1435, 19636), (2870, 9818), (4909, 5740)]