82280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:50

約数の個数: 48

約数和(自身を含む): 215460

約数和(自身を除く): 133180

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 440, 484, 605, 680, 748, 935, 968, 1210, 1496, 1870, 2057, 2420, 3740, 4114, 4840, 7480, 8228, 10285, 16456, 20570, 41140, 82280]

約数ペア:

[(1, 82280), (2, 41140), (4, 20570), (5, 16456), (8, 10285), (10, 8228), (11, 7480), (17, 4840), (20, 4114), (22, 3740), (34, 2420), (40, 2057), (44, 1870), (55, 1496), (68, 1210), (85, 968), (88, 935), (110, 748), (121, 680), (136, 605), (170, 484), (187, 440), (220, 374), (242, 340)]