849640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1931}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 2086560

約数和(自身を除く): 1236920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1931, 3862, 7724, 9655, 15448, 19310, 21241, 38620, 42482, 77240, 84964, 106205, 169928, 212410, 424820, 849640]

約数ペア:

[(1, 849640), (2, 424820), (4, 212410), (5, 169928), (8, 106205), (10, 84964), (11, 77240), (20, 42482), (22, 38620), (40, 21241), (44, 19310), (55, 15448), (88, 9655), (110, 7724), (220, 3862), (440, 1931)]