51388610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 114912000

約数和(自身を除く): 63523390

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 149, 182, 298, 379, 455, 745, 758, 910, 1043, 1490, 1895, 1937, 2086, 2653, 3790, 3874, 4927, 5215, 5306, 9685, 9854, 10430, 13265, 13559, 19370, 24635, 26530, 27118, 34489, 49270, 56471, 67795, 68978, 112942, 135590, 172445, 282355, 344890, 395297, 564710, 734123, 790594, 1468246, 1976485, 3670615, 3952970, 5138861, 7341230, 10277722, 25694305, 51388610]

約数ペア:

[(1, 51388610), (2, 25694305), (5, 10277722), (7, 7341230), (10, 5138861), (13, 3952970), (14, 3670615), (26, 1976485), (35, 1468246), (65, 790594), (70, 734123), (91, 564710), (130, 395297), (149, 344890), (182, 282355), (298, 172445), (379, 135590), (455, 112942), (745, 68978), (758, 67795), (910, 56471), (1043, 49270), (1490, 34489), (1895, 27118), (1937, 26530), (2086, 24635), (2653, 19370), (3790, 13559), (3874, 13265), (4927, 10430), (5215, 9854), (5306, 9685)]