575157020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{1987}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 1241418528

約数和(自身を除く): 666261508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 353, 410, 706, 820, 1412, 1765, 1987, 3530, 3974, 7060, 7948, 9935, 14473, 19870, 28946, 39740, 57892, 72365, 81467, 144730, 162934, 289460, 325868, 407335, 701411, 814670, 1402822, 1629340, 2805644, 3507055, 7014110, 14028220, 28757851, 57515702, 115031404, 143789255, 287578510, 575157020]

約数ペア:

[(1, 575157020), (2, 287578510), (4, 143789255), (5, 115031404), (10, 57515702), (20, 28757851), (41, 14028220), (82, 7014110), (164, 3507055), (205, 2805644), (353, 1629340), (410, 1402822), (706, 814670), (820, 701411), (1412, 407335), (1765, 325868), (1987, 289460), (3530, 162934), (3974, 144730), (7060, 81467), (7948, 72365), (9935, 57892), (14473, 39740), (19870, 28946)]