221875280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{22921}}^1$

素因数の和:22956

約数の個数: 60

約数和(自身を含む): 567044436

約数和(自身を除く): 345169156

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 22921, 45842, 91684, 114605, 183368, 229210, 252131, 366736, 458420, 504262, 916840, 1008524, 1260655, 1833680, 2017048, 2521310, 2773441, 4034096, 5042620, 5546882, 10085240, 11093764, 13867205, 20170480, 22187528, 27734410, 44375056, 55468820, 110937640, 221875280]

約数ペア:

[(1, 221875280), (2, 110937640), (4, 55468820), (5, 44375056), (8, 27734410), (10, 22187528), (11, 20170480), (16, 13867205), (20, 11093764), (22, 10085240), (40, 5546882), (44, 5042620), (55, 4034096), (80, 2773441), (88, 2521310), (110, 2017048), (121, 1833680), (176, 1260655), (220, 1008524), (242, 916840), (440, 504262), (484, 458420), (605, 366736), (880, 252131), (968, 229210), (1210, 183368), (1936, 114605), (2420, 91684), (4840, 45842), (9680, 22921)]