1246780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 2933280

約数和(自身を除く): 1686500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 193, 323, 340, 380, 386, 646, 772, 965, 1292, 1615, 1930, 3230, 3281, 3667, 3860, 6460, 6562, 7334, 13124, 14668, 16405, 18335, 32810, 36670, 62339, 65620, 73340, 124678, 249356, 311695, 623390, 1246780]

約数ペア:

[(1, 1246780), (2, 623390), (4, 311695), (5, 249356), (10, 124678), (17, 73340), (19, 65620), (20, 62339), (34, 36670), (38, 32810), (68, 18335), (76, 16405), (85, 14668), (95, 13124), (170, 7334), (190, 6562), (193, 6460), (323, 3860), (340, 3667), (380, 3281), (386, 3230), (646, 1930), (772, 1615), (965, 1292)]