221246480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30391}}^1$

素因数の和:30424

約数の個数: 80

約数和(自身を含む): 633126144

約数和(自身を除く): 411879664

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 30391, 60782, 121564, 151955, 212737, 243128, 303910, 395083, 425474, 486256, 607820, 790166, 850948, 1063685, 1215640, 1580332, 1701896, 1975415, 2127370, 2431280, 2765581, 3160664, 3403792, 3950830, 4254740, 5531162, 6321328, 7901660, 8509480, 11062324, 13827905, 15803320, 17018960, 22124648, 27655810, 31606640, 44249296, 55311620, 110623240, 221246480]

約数ペア:

[(1, 221246480), (2, 110623240), (4, 55311620), (5, 44249296), (7, 31606640), (8, 27655810), (10, 22124648), (13, 17018960), (14, 15803320), (16, 13827905), (20, 11062324), (26, 8509480), (28, 7901660), (35, 6321328), (40, 5531162), (52, 4254740), (56, 3950830), (65, 3403792), (70, 3160664), (80, 2765581), (91, 2431280), (104, 2127370), (112, 1975415), (130, 1701896), (140, 1580332), (182, 1215640), (208, 1063685), (260, 850948), (280, 790166), (364, 607820), (455, 486256), (520, 425474), (560, 395083), (728, 303910), (910, 243128), (1040, 212737), (1456, 151955), (1820, 121564), (3640, 60782), (7280, 30391)]