247705480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{562967}}^1$

素因数の和:562989

約数の個数: 32

約数和(自身を含む): 608005440

約数和(自身を除く): 360299960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 562967, 1125934, 2251868, 2814835, 4503736, 5629670, 6192637, 11259340, 12385274, 22518680, 24770548, 30963185, 49541096, 61926370, 123852740, 247705480]

約数ペア:

[(1, 247705480), (2, 123852740), (4, 61926370), (5, 49541096), (8, 30963185), (10, 24770548), (11, 22518680), (20, 12385274), (22, 11259340), (40, 6192637), (44, 5629670), (55, 4503736), (88, 2814835), (110, 2251868), (220, 1125934), (440, 562967)]