889598980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{3209}}^1$

素因数の和:3468

約数の個数: 48

約数和(自身を含む): 1902579840

約数和(自身を除く): 1012980860

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 167, 332, 334, 415, 668, 830, 835, 1660, 1670, 3209, 3340, 6418, 12836, 13861, 16045, 27722, 32090, 55444, 64180, 69305, 138610, 266347, 277220, 532694, 535903, 1065388, 1071806, 1331735, 2143612, 2663470, 2679515, 5326940, 5359030, 10718060, 44479949, 88959898, 177919796, 222399745, 444799490, 889598980]

約数ペア:

[(1, 889598980), (2, 444799490), (4, 222399745), (5, 177919796), (10, 88959898), (20, 44479949), (83, 10718060), (166, 5359030), (167, 5326940), (332, 2679515), (334, 2663470), (415, 2143612), (668, 1331735), (830, 1071806), (835, 1065388), (1660, 535903), (1670, 532694), (3209, 277220), (3340, 266347), (6418, 138610), (12836, 69305), (13861, 64180), (16045, 55444), (27722, 32090)]