449240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 1103760

約数和(自身を除く): 654520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1021, 2042, 4084, 5105, 8168, 10210, 11231, 20420, 22462, 40840, 44924, 56155, 89848, 112310, 224620, 449240]

約数ペア:

[(1, 449240), (2, 224620), (4, 112310), (5, 89848), (8, 56155), (10, 44924), (11, 40840), (20, 22462), (22, 20420), (40, 11231), (44, 10210), (55, 8168), (88, 5105), (110, 4084), (220, 2042), (440, 1021)]