208778820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151289}}^1$

素因数の和:151324

約数の個数: 48

約数和(自身を含む): 610001280

約数和(自身を除く): 401222460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 151289, 302578, 453867, 605156, 756445, 907734, 1512890, 1815468, 2269335, 3025780, 3479647, 4538670, 6959294, 9077340, 10438941, 13918588, 17398235, 20877882, 34796470, 41755764, 52194705, 69592940, 104389410, 208778820]

約数ペア:

[(1, 208778820), (2, 104389410), (3, 69592940), (4, 52194705), (5, 41755764), (6, 34796470), (10, 20877882), (12, 17398235), (15, 13918588), (20, 10438941), (23, 9077340), (30, 6959294), (46, 4538670), (60, 3479647), (69, 3025780), (92, 2269335), (115, 1815468), (138, 1512890), (230, 907734), (276, 756445), (345, 605156), (460, 453867), (690, 302578), (1380, 151289)]