202464620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1087}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 435025920

約数和(自身を除く): 232561300

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 139, 268, 278, 335, 556, 670, 695, 1087, 1340, 1390, 2174, 2780, 4348, 5435, 9313, 10870, 18626, 21740, 37252, 46565, 72829, 93130, 145658, 151093, 186260, 291316, 302186, 364145, 604372, 728290, 755465, 1456580, 1510930, 3021860, 10123231, 20246462, 40492924, 50616155, 101232310, 202464620]

約数ペア:

[(1, 202464620), (2, 101232310), (4, 50616155), (5, 40492924), (10, 20246462), (20, 10123231), (67, 3021860), (134, 1510930), (139, 1456580), (268, 755465), (278, 728290), (335, 604372), (556, 364145), (670, 302186), (695, 291316), (1087, 186260), (1340, 151093), (1390, 145658), (2174, 93130), (2780, 72829), (4348, 46565), (5435, 37252), (9313, 21740), (10870, 18626)]