2853431240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{9811}}^1$

素因数の和:10494

約数の個数: 64

約数和(自身を含む): 7015187520

約数和(自身を除く): 4161756280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 661, 1322, 2644, 3305, 5288, 6610, 7271, 9811, 13220, 14542, 19622, 26440, 29084, 36355, 39244, 49055, 58168, 72710, 78488, 98110, 107921, 145420, 196220, 215842, 290840, 392440, 431684, 539605, 863368, 1079210, 2158420, 4316840, 6485071, 12970142, 25940284, 32425355, 51880568, 64850710, 71335781, 129701420, 142671562, 259402840, 285343124, 356678905, 570686248, 713357810, 1426715620, 2853431240]

約数ペア:

[(1, 2853431240), (2, 1426715620), (4, 713357810), (5, 570686248), (8, 356678905), (10, 285343124), (11, 259402840), (20, 142671562), (22, 129701420), (40, 71335781), (44, 64850710), (55, 51880568), (88, 32425355), (110, 25940284), (220, 12970142), (440, 6485071), (661, 4316840), (1322, 2158420), (2644, 1079210), (3305, 863368), (5288, 539605), (6610, 431684), (7271, 392440), (9811, 290840), (13220, 215842), (14542, 196220), (19622, 145420), (26440, 107921), (29084, 98110), (36355, 78488), (39244, 72710), (49055, 58168)]