2026220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 4995648

約数和(自身を除く): 2969428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 353, 410, 574, 706, 820, 1148, 1412, 1435, 1765, 2471, 2870, 3530, 4942, 5740, 7060, 9884, 12355, 14473, 24710, 28946, 49420, 57892, 72365, 101311, 144730, 202622, 289460, 405244, 506555, 1013110, 2026220]

約数ペア:

[(1, 2026220), (2, 1013110), (4, 506555), (5, 405244), (7, 289460), (10, 202622), (14, 144730), (20, 101311), (28, 72365), (35, 57892), (41, 49420), (70, 28946), (82, 24710), (140, 14473), (164, 12355), (205, 9884), (287, 7060), (353, 5740), (410, 4942), (574, 3530), (706, 2870), (820, 2471), (1148, 1765), (1412, 1435)]