91990580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1627}}^1$

素因数の和:1904

約数の個数: 48

約数和(自身を含む): 211692096

約数和(自身を除く): 119701516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 1627, 2570, 2827, 3254, 5140, 5654, 6508, 8135, 11308, 14135, 16270, 17897, 28270, 32540, 35794, 56540, 71588, 89485, 178970, 357940, 418139, 836278, 1672556, 2090695, 4181390, 4599529, 8362780, 9199058, 18398116, 22997645, 45995290, 91990580]

約数ペア:

[(1, 91990580), (2, 45995290), (4, 22997645), (5, 18398116), (10, 9199058), (11, 8362780), (20, 4599529), (22, 4181390), (44, 2090695), (55, 1672556), (110, 836278), (220, 418139), (257, 357940), (514, 178970), (1028, 89485), (1285, 71588), (1627, 56540), (2570, 35794), (2827, 32540), (3254, 28270), (5140, 17897), (5654, 16270), (6508, 14135), (8135, 11308)]