249521690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:875

約数の個数: 64

約数和(自身を含む): 509110272

約数和(自身を除く): 259588582

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 71, 86, 110, 142, 215, 355, 430, 473, 710, 743, 781, 946, 1486, 1562, 2365, 3053, 3715, 3905, 4730, 6106, 7430, 7810, 8173, 15265, 16346, 30530, 31949, 33583, 40865, 52753, 63898, 67166, 81730, 105506, 159745, 167915, 263765, 319490, 335830, 351439, 527530, 580283, 702878, 1160566, 1757195, 2268379, 2901415, 3514390, 4536758, 5802830, 11341895, 22683790, 24952169, 49904338, 124760845, 249521690]

約数ペア:

[(1, 249521690), (2, 124760845), (5, 49904338), (10, 24952169), (11, 22683790), (22, 11341895), (43, 5802830), (55, 4536758), (71, 3514390), (86, 2901415), (110, 2268379), (142, 1757195), (215, 1160566), (355, 702878), (430, 580283), (473, 527530), (710, 351439), (743, 335830), (781, 319490), (946, 263765), (1486, 167915), (1562, 159745), (2365, 105506), (3053, 81730), (3715, 67166), (3905, 63898), (4730, 52753), (6106, 40865), (7430, 33583), (7810, 31949), (8173, 30530), (15265, 16346)]