83075020

素因数分解:

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

素因数の和:451

約数の個数: 72

約数和(自身を含む): 204940512

約数和(自身を除く): 121865492

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, 1681, 1765, 2471, 2870, 3362, 3530, 4942, 5740, 6724, 7060, 8405, 9884, 11767, 12355, 14473, 16810, 23534, 24710, 28946, 33620, 47068, 49420, 57892, 58835, 72365, 101311, 117670, 144730, 202622, 235340, 289460, 405244, 506555, 593393, 1013110, 1186786, 2026220, 2373572, 2966965, 4153751, 5933930, 8307502, 11867860, 16615004, 20768755, 41537510, 83075020]

約数ペア:

[(1, 83075020), (2, 41537510), (4, 20768755), (5, 16615004), (7, 11867860), (10, 8307502), (14, 5933930), (20, 4153751), (28, 2966965), (35, 2373572), (41, 2026220), (70, 1186786), (82, 1013110), (140, 593393), (164, 506555), (205, 405244), (287, 289460), (353, 235340), (410, 202622), (574, 144730), (706, 117670), (820, 101311), (1148, 72365), (1412, 58835), (1435, 57892), (1681, 49420), (1765, 47068), (2471, 33620), (2870, 28946), (3362, 24710), (3530, 23534), (4942, 16810), (5740, 14473), (6724, 12355), (7060, 11767), (8405, 9884)]