210944140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{1301}}^1$

素因数の和:1399

約数の個数: 72

約数和(自身を含む): 494562096

約数和(自身を除く): 283617956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 121, 134, 220, 242, 268, 335, 484, 605, 670, 737, 1210, 1301, 1340, 1474, 2420, 2602, 2948, 3685, 5204, 6505, 7370, 8107, 13010, 14311, 14740, 16214, 26020, 28622, 32428, 40535, 57244, 71555, 81070, 87167, 143110, 157421, 162140, 174334, 286220, 314842, 348668, 435835, 629684, 787105, 871670, 958837, 1574210, 1743340, 1917674, 3148420, 3835348, 4794185, 9588370, 10547207, 19176740, 21094414, 42188828, 52736035, 105472070, 210944140]

約数ペア:

[(1, 210944140), (2, 105472070), (4, 52736035), (5, 42188828), (10, 21094414), (11, 19176740), (20, 10547207), (22, 9588370), (44, 4794185), (55, 3835348), (67, 3148420), (110, 1917674), (121, 1743340), (134, 1574210), (220, 958837), (242, 871670), (268, 787105), (335, 629684), (484, 435835), (605, 348668), (670, 314842), (737, 286220), (1210, 174334), (1301, 162140), (1340, 157421), (1474, 143110), (2420, 87167), (2602, 81070), (2948, 71555), (3685, 57244), (5204, 40535), (6505, 32428), (7370, 28622), (8107, 26020), (13010, 16214), (14311, 14740)]