247372280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131581}}^1$

素因数の和:131639

約数の個数: 32

約数和(自身を含む): 568434240

約数和(自身を除く): 321061960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 131581, 263162, 526324, 657905, 1052648, 1315810, 2631620, 5263240, 6184307, 12368614, 24737228, 30921535, 49474456, 61843070, 123686140, 247372280]

約数ペア:

[(1, 247372280), (2, 123686140), (4, 61843070), (5, 49474456), (8, 30921535), (10, 24737228), (20, 12368614), (40, 6184307), (47, 5263240), (94, 2631620), (188, 1315810), (235, 1052648), (376, 657905), (470, 526324), (940, 263162), (1880, 131581)]