121699580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 260789760

約数和(自身を除く): 139090180

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 167, 332, 334, 415, 439, 668, 830, 835, 878, 1660, 1670, 1756, 2195, 3340, 4390, 8780, 13861, 27722, 36437, 55444, 69305, 72874, 73313, 138610, 145748, 146626, 182185, 277220, 293252, 364370, 366565, 728740, 733130, 1466260, 6084979, 12169958, 24339916, 30424895, 60849790, 121699580]

約数ペア:

[(1, 121699580), (2, 60849790), (4, 30424895), (5, 24339916), (10, 12169958), (20, 6084979), (83, 1466260), (166, 733130), (167, 728740), (332, 366565), (334, 364370), (415, 293252), (439, 277220), (668, 182185), (830, 146626), (835, 145748), (878, 138610), (1660, 73313), (1670, 72874), (1756, 69305), (2195, 55444), (3340, 36437), (4390, 27722), (8780, 13861)]