28551490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{719}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 59253120

約数和(自身を除く): 30701630

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 418, 719, 722, 1045, 1438, 1805, 2090, 3595, 3610, 3971, 7190, 7909, 7942, 13661, 15818, 19855, 27322, 39545, 39710, 68305, 79090, 136610, 150271, 259559, 300542, 519118, 751355, 1297795, 1502710, 2595590, 2855149, 5710298, 14275745, 28551490]

約数ペア:

[(1, 28551490), (2, 14275745), (5, 5710298), (10, 2855149), (11, 2595590), (19, 1502710), (22, 1297795), (38, 751355), (55, 519118), (95, 300542), (110, 259559), (190, 150271), (209, 136610), (361, 79090), (418, 68305), (719, 39710), (722, 39545), (1045, 27322), (1438, 19855), (1805, 15818), (2090, 13661), (3595, 7942), (3610, 7909), (3971, 7190)]