208028060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1427}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 451259424

約数和(自身を除く): 243231364

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 197, 370, 394, 740, 788, 985, 1427, 1970, 2854, 3940, 5708, 7135, 7289, 14270, 14578, 28540, 29156, 36445, 52799, 72890, 105598, 145780, 211196, 263995, 281119, 527990, 562238, 1055980, 1124476, 1405595, 2811190, 5622380, 10401403, 20802806, 41605612, 52007015, 104014030, 208028060]

約数ペア:

[(1, 208028060), (2, 104014030), (4, 52007015), (5, 41605612), (10, 20802806), (20, 10401403), (37, 5622380), (74, 2811190), (148, 1405595), (185, 1124476), (197, 1055980), (370, 562238), (394, 527990), (740, 281119), (788, 263995), (985, 211196), (1427, 145780), (1970, 105598), (2854, 72890), (3940, 52799), (5708, 36445), (7135, 29156), (7289, 28540), (14270, 14578)]