260147195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 408748032

約数和(自身を除く): 148600837

約数列:

[1, 5, 7, 11, 31, 35, 55, 71, 77, 155, 217, 307, 341, 355, 385, 497, 781, 1085, 1535, 1705, 2149, 2201, 2387, 2485, 3377, 3905, 5467, 9517, 10745, 11005, 11935, 15407, 16885, 21797, 23639, 24211, 27335, 47585, 66619, 77035, 104687, 108985, 118195, 121055, 152579, 169477, 239767, 333095, 523435, 675707, 732809, 762895, 847385, 1198835, 1678369, 3378535, 3664045, 4729949, 7432777, 8391845, 23649745, 37163885, 52029439, 260147195]

約数ペア:

[(1, 260147195), (5, 52029439), (7, 37163885), (11, 23649745), (31, 8391845), (35, 7432777), (55, 4729949), (71, 3664045), (77, 3378535), (155, 1678369), (217, 1198835), (307, 847385), (341, 762895), (355, 732809), (385, 675707), (497, 523435), (781, 333095), (1085, 239767), (1535, 169477), (1705, 152579), (2149, 121055), (2201, 118195), (2387, 108985), (2485, 104687), (3377, 77035), (3905, 66619), (5467, 47585), (9517, 27335), (10745, 24211), (11005, 23639), (11935, 21797), (15407, 16885)]