820399106660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{344705507}}^1$

素因数の和:344705540

約数の個数: 48

約数和(自身を含む): 2084778912384

約数和(自身を除く): 1264379805724

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 344705507, 689411014, 1378822028, 1723527535, 2412938549, 3447055070, 4825877098, 5859993619, 6894110140, 9651754196, 11719987238, 12064692745, 23439974476, 24129385490, 29299968095, 41019955333, 48258770980, 58599936190, 82039910666, 117199872380, 164079821332, 205099776665, 410199553330, 820399106660]

約数ペア:

[(1, 820399106660), (2, 410199553330), (4, 205099776665), (5, 164079821332), (7, 117199872380), (10, 82039910666), (14, 58599936190), (17, 48258770980), (20, 41019955333), (28, 29299968095), (34, 24129385490), (35, 23439974476), (68, 12064692745), (70, 11719987238), (85, 9651754196), (119, 6894110140), (140, 5859993619), (170, 4825877098), (238, 3447055070), (340, 2412938549), (476, 1723527535), (595, 1378822028), (1190, 689411014), (2380, 344705507)]