227622460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{911}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 532502208

約数和(自身を除く): 304879748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 911, 961, 1612, 1822, 1922, 2015, 3644, 3844, 4030, 4555, 4805, 8060, 9110, 9610, 11843, 12493, 18220, 19220, 23686, 24986, 28241, 47372, 49972, 56482, 59215, 62465, 112964, 118430, 124930, 141205, 236860, 249860, 282410, 367133, 564820, 734266, 875471, 1468532, 1750942, 1835665, 3501884, 3671330, 4377355, 7342660, 8754710, 11381123, 17509420, 22762246, 45524492, 56905615, 113811230, 227622460]

約数ペア:

[(1, 227622460), (2, 113811230), (4, 56905615), (5, 45524492), (10, 22762246), (13, 17509420), (20, 11381123), (26, 8754710), (31, 7342660), (52, 4377355), (62, 3671330), (65, 3501884), (124, 1835665), (130, 1750942), (155, 1468532), (260, 875471), (310, 734266), (403, 564820), (620, 367133), (806, 282410), (911, 249860), (961, 236860), (1612, 141205), (1822, 124930), (1922, 118430), (2015, 112964), (3644, 62465), (3844, 59215), (4030, 56482), (4555, 49972), (4805, 47372), (8060, 28241), (9110, 24986), (9610, 23686), (11843, 19220), (12493, 18220)]