2921660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 7197120

約数和(自身を除く): 4275460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 509, 574, 820, 1018, 1148, 1435, 2036, 2545, 2870, 3563, 5090, 5740, 7126, 10180, 14252, 17815, 20869, 35630, 41738, 71260, 83476, 104345, 146083, 208690, 292166, 417380, 584332, 730415, 1460830, 2921660]

約数ペア:

[(1, 2921660), (2, 1460830), (4, 730415), (5, 584332), (7, 417380), (10, 292166), (14, 208690), (20, 146083), (28, 104345), (35, 83476), (41, 71260), (70, 41738), (82, 35630), (140, 20869), (164, 17815), (205, 14252), (287, 10180), (410, 7126), (509, 5740), (574, 5090), (820, 3563), (1018, 2870), (1148, 2545), (1435, 2036)]