199948100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2805

約数の個数: 72

約数和(自身を含む): 480573408

約数和(自身を除く): 280625308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 67, 100, 110, 134, 220, 268, 275, 335, 550, 670, 737, 1100, 1340, 1474, 1675, 2713, 2948, 3350, 3685, 5426, 6700, 7370, 10852, 13565, 14740, 18425, 27130, 29843, 36850, 54260, 59686, 67825, 73700, 119372, 135650, 149215, 181771, 271300, 298430, 363542, 596860, 727084, 746075, 908855, 1492150, 1817710, 1999481, 2984300, 3635420, 3998962, 4544275, 7997924, 9088550, 9997405, 18177100, 19994810, 39989620, 49987025, 99974050, 199948100]

約数ペア:

[(1, 199948100), (2, 99974050), (4, 49987025), (5, 39989620), (10, 19994810), (11, 18177100), (20, 9997405), (22, 9088550), (25, 7997924), (44, 4544275), (50, 3998962), (55, 3635420), (67, 2984300), (100, 1999481), (110, 1817710), (134, 1492150), (220, 908855), (268, 746075), (275, 727084), (335, 596860), (550, 363542), (670, 298430), (737, 271300), (1100, 181771), (1340, 149215), (1474, 135650), (1675, 119372), (2713, 73700), (2948, 67825), (3350, 59686), (3685, 54260), (5426, 36850), (6700, 29843), (7370, 27130), (10852, 18425), (13565, 14740)]