201982220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 478711296

約数和(自身を除く): 276729076

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 71, 110, 134, 142, 193, 220, 268, 284, 335, 355, 386, 670, 710, 737, 772, 781, 965, 1340, 1420, 1474, 1562, 1930, 2123, 2948, 3124, 3685, 3860, 3905, 4246, 4757, 7370, 7810, 8492, 9514, 10615, 12931, 13703, 14740, 15620, 19028, 21230, 23785, 25862, 27406, 42460, 47570, 51724, 52327, 54812, 64655, 68515, 95140, 104654, 129310, 137030, 142241, 150733, 209308, 258620, 261635, 274060, 284482, 301466, 523270, 568964, 602932, 711205, 753665, 918101, 1046540, 1422410, 1507330, 1836202, 2844820, 3014660, 3672404, 4590505, 9181010, 10099111, 18362020, 20198222, 40396444, 50495555, 100991110, 201982220]

約数ペア:

[(1, 201982220), (2, 100991110), (4, 50495555), (5, 40396444), (10, 20198222), (11, 18362020), (20, 10099111), (22, 9181010), (44, 4590505), (55, 3672404), (67, 3014660), (71, 2844820), (110, 1836202), (134, 1507330), (142, 1422410), (193, 1046540), (220, 918101), (268, 753665), (284, 711205), (335, 602932), (355, 568964), (386, 523270), (670, 301466), (710, 284482), (737, 274060), (772, 261635), (781, 258620), (965, 209308), (1340, 150733), (1420, 142241), (1474, 137030), (1562, 129310), (1930, 104654), (2123, 95140), (2948, 68515), (3124, 64655), (3685, 54812), (3860, 52327), (3905, 51724), (4246, 47570), (4757, 42460), (7370, 27406), (7810, 25862), (8492, 23785), (9514, 21230), (10615, 19028), (12931, 15620), (13703, 14740)]