2749460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 6773760

約数和(自身を除く): 4024300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 479, 574, 820, 958, 1148, 1435, 1916, 2395, 2870, 3353, 4790, 5740, 6706, 9580, 13412, 16765, 19639, 33530, 39278, 67060, 78556, 98195, 137473, 196390, 274946, 392780, 549892, 687365, 1374730, 2749460]

約数ペア:

[(1, 2749460), (2, 1374730), (4, 687365), (5, 549892), (7, 392780), (10, 274946), (14, 196390), (20, 137473), (28, 98195), (35, 78556), (41, 67060), (70, 39278), (82, 33530), (140, 19639), (164, 16765), (205, 13412), (287, 9580), (410, 6706), (479, 5740), (574, 4790), (820, 3353), (958, 2870), (1148, 2395), (1435, 1916)]