142720655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 225358848

約数和(自身を除く): 82638193

約数列:

[1, 5, 7, 11, 35, 37, 43, 55, 77, 185, 215, 233, 259, 301, 385, 407, 473, 1165, 1295, 1505, 1591, 1631, 2035, 2365, 2563, 2849, 3311, 7955, 8155, 8621, 10019, 11137, 12815, 14245, 16555, 17501, 17941, 43105, 50095, 55685, 60347, 70133, 87505, 89705, 94831, 110209, 122507, 301735, 350665, 370703, 474155, 551045, 612535, 663817, 771463, 1853515, 2594921, 3319085, 3857315, 4077733, 12974605, 20388665, 28544131, 142720655]

約数ペア:

[(1, 142720655), (5, 28544131), (7, 20388665), (11, 12974605), (35, 4077733), (37, 3857315), (43, 3319085), (55, 2594921), (77, 1853515), (185, 771463), (215, 663817), (233, 612535), (259, 551045), (301, 474155), (385, 370703), (407, 350665), (473, 301735), (1165, 122507), (1295, 110209), (1505, 94831), (1591, 89705), (1631, 87505), (2035, 70133), (2365, 60347), (2563, 55685), (2849, 50095), (3311, 43105), (7955, 17941), (8155, 17501), (8621, 16555), (10019, 14245), (11137, 12815)]