77420530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 161243136

約数和(自身を除く): 83822606

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 142, 230, 253, 355, 431, 506, 710, 781, 862, 1265, 1562, 1633, 2155, 2530, 3266, 3905, 4310, 4741, 7810, 8165, 9482, 9913, 16330, 17963, 19826, 23705, 30601, 35926, 47410, 49565, 61202, 89815, 99130, 109043, 153005, 179630, 218086, 306010, 336611, 545215, 673222, 703823, 1090430, 1407646, 1683055, 3366110, 3519115, 7038230, 7742053, 15484106, 38710265, 77420530]

約数ペア:

[(1, 77420530), (2, 38710265), (5, 15484106), (10, 7742053), (11, 7038230), (22, 3519115), (23, 3366110), (46, 1683055), (55, 1407646), (71, 1090430), (110, 703823), (115, 673222), (142, 545215), (230, 336611), (253, 306010), (355, 218086), (431, 179630), (506, 153005), (710, 109043), (781, 99130), (862, 89815), (1265, 61202), (1562, 49565), (1633, 47410), (2155, 35926), (2530, 30601), (3266, 23705), (3905, 19826), (4310, 17963), (4741, 16330), (7810, 9913), (8165, 9482)]