206845540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25411}}^1$

素因数の和:25468

約数の個数: 48

約数和(自身を含む): 486690624

約数和(自身を除く): 279845084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 25411, 50822, 101644, 127055, 254110, 279521, 508220, 559042, 940207, 1118084, 1397605, 1880414, 2795210, 3760828, 4701035, 5590420, 9402070, 10342277, 18804140, 20684554, 41369108, 51711385, 103422770, 206845540]

約数ペア:

[(1, 206845540), (2, 103422770), (4, 51711385), (5, 41369108), (10, 20684554), (11, 18804140), (20, 10342277), (22, 9402070), (37, 5590420), (44, 4701035), (55, 3760828), (74, 2795210), (110, 1880414), (148, 1397605), (185, 1118084), (220, 940207), (370, 559042), (407, 508220), (740, 279521), (814, 254110), (1628, 127055), (2035, 101644), (4070, 50822), (8140, 25411)]