172130728

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 436665600

約数和(自身を除く): 264534872

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 121, 133, 152, 154, 191, 196, 209, 242, 266, 308, 382, 392, 418, 484, 532, 539, 616, 764, 836, 847, 931, 968, 1064, 1078, 1337, 1463, 1528, 1672, 1694, 1862, 2101, 2156, 2299, 2674, 2926, 3388, 3629, 3724, 4202, 4312, 4598, 5348, 5852, 5929, 6776, 7258, 7448, 8404, 9196, 9359, 10241, 10696, 11704, 11858, 14516, 14707, 16093, 16808, 18392, 18718, 20482, 23111, 23716, 25403, 29032, 29414, 32186, 37436, 39919, 40964, 46222, 47432, 50806, 58828, 64372, 74872, 79838, 81928, 92444, 101612, 102949, 112651, 117656, 128744, 159676, 161777, 177821, 184888, 203224, 205898, 225302, 279433, 319352, 323554, 355642, 411796, 439109, 450604, 558866, 647108, 711284, 823592, 878218, 901208, 1117732, 1132439, 1294216, 1422568, 1756436, 1956031, 2235464, 2264878, 3073763, 3512872, 3912062, 4529756, 6147526, 7824124, 9059512, 12295052, 15648248, 21516341, 24590104, 43032682, 86065364, 172130728]

約数ペア:

[(1, 172130728), (2, 86065364), (4, 43032682), (7, 24590104), (8, 21516341), (11, 15648248), (14, 12295052), (19, 9059512), (22, 7824124), (28, 6147526), (38, 4529756), (44, 3912062), (49, 3512872), (56, 3073763), (76, 2264878), (77, 2235464), (88, 1956031), (98, 1756436), (121, 1422568), (133, 1294216), (152, 1132439), (154, 1117732), (191, 901208), (196, 878218), (209, 823592), (242, 711284), (266, 647108), (308, 558866), (382, 450604), (392, 439109), (418, 411796), (484, 355642), (532, 323554), (539, 319352), (616, 279433), (764, 225302), (836, 205898), (847, 203224), (931, 184888), (968, 177821), (1064, 161777), (1078, 159676), (1337, 128744), (1463, 117656), (1528, 112651), (1672, 102949), (1694, 101612), (1862, 92444), (2101, 81928), (2156, 79838), (2299, 74872), (2674, 64372), (2926, 58828), (3388, 50806), (3629, 47432), (3724, 46222), (4202, 40964), (4312, 39919), (4598, 37436), (5348, 32186), (5852, 29414), (5929, 29032), (6776, 25403), (7258, 23716), (7448, 23111), (8404, 20482), (9196, 18718), (9359, 18392), (10241, 16808), (10696, 16093), (11704, 14707), (11858, 14516)]