2784280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 6402240

約数和(自身を除く): 3617960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1481, 1880, 2962, 5924, 7405, 11848, 14810, 29620, 59240, 69607, 139214, 278428, 348035, 556856, 696070, 1392140, 2784280]

約数ペア:

[(1, 2784280), (2, 1392140), (4, 696070), (5, 556856), (8, 348035), (10, 278428), (20, 139214), (40, 69607), (47, 59240), (94, 29620), (188, 14810), (235, 11848), (376, 7405), (470, 5924), (940, 2962), (1481, 1880)]