217040560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{246637}}^1$

素因数の和:246661

約数の個数: 40

約数和(自身を含む): 550496016

約数和(自身を除く): 333455456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 246637, 493274, 986548, 1233185, 1973096, 2466370, 2713007, 3946192, 4932740, 5426014, 9865480, 10852028, 13565035, 19730960, 21704056, 27130070, 43408112, 54260140, 108520280, 217040560]

約数ペア:

[(1, 217040560), (2, 108520280), (4, 54260140), (5, 43408112), (8, 27130070), (10, 21704056), (11, 19730960), (16, 13565035), (20, 10852028), (22, 9865480), (40, 5426014), (44, 4932740), (55, 3946192), (80, 2713007), (88, 2466370), (110, 1973096), (176, 1233185), (220, 986548), (440, 493274), (880, 246637)]