2521291640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{473927}}^1$

素因数の和:473964

約数の個数: 64

約数和(自身を含む): 6824563200

約数和(自身を除く): 4303271560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 473927, 947854, 1895708, 2369635, 3317489, 3791416, 4739270, 6634978, 9004613, 9478540, 13269956, 16587445, 18009226, 18957080, 26539912, 33174890, 36018452, 45023065, 63032291, 66349780, 72036904, 90046130, 126064582, 132699560, 180092260, 252129164, 315161455, 360184520, 504258328, 630322910, 1260645820, 2521291640]

約数ペア:

[(1, 2521291640), (2, 1260645820), (4, 630322910), (5, 504258328), (7, 360184520), (8, 315161455), (10, 252129164), (14, 180092260), (19, 132699560), (20, 126064582), (28, 90046130), (35, 72036904), (38, 66349780), (40, 63032291), (56, 45023065), (70, 36018452), (76, 33174890), (95, 26539912), (133, 18957080), (140, 18009226), (152, 16587445), (190, 13269956), (266, 9478540), (280, 9004613), (380, 6634978), (532, 4739270), (665, 3791416), (760, 3317489), (1064, 2369635), (1330, 1895708), (2660, 947854), (5320, 473927)]