221463880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{45757}}^1$

素因数の和:45790

約数の個数: 48

約数和(自身を含む): 547723260

約数和(自身を除く): 326259380

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 45757, 91514, 183028, 228785, 366056, 457570, 503327, 915140, 1006654, 1830280, 2013308, 2516635, 4026616, 5033270, 5536597, 10066540, 11073194, 20133080, 22146388, 27682985, 44292776, 55365970, 110731940, 221463880]

約数ペア:

[(1, 221463880), (2, 110731940), (4, 55365970), (5, 44292776), (8, 27682985), (10, 22146388), (11, 20133080), (20, 11073194), (22, 10066540), (40, 5536597), (44, 5033270), (55, 4026616), (88, 2516635), (110, 2013308), (121, 1830280), (220, 1006654), (242, 915140), (440, 503327), (484, 457570), (605, 366056), (968, 228785), (1210, 183028), (2420, 91514), (4840, 45757)]