128820010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:963

約数の個数: 64

約数和(自身を含む): 268738560

約数和(自身を除く): 139918550

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 59, 110, 115, 118, 230, 253, 295, 506, 590, 649, 863, 1265, 1298, 1357, 1726, 2530, 2714, 3245, 4315, 6490, 6785, 8630, 9493, 13570, 14927, 18986, 19849, 29854, 39698, 47465, 50917, 74635, 94930, 99245, 101834, 149270, 198490, 218339, 254585, 436678, 509170, 560087, 1091695, 1120174, 1171091, 2183390, 2342182, 2800435, 5600870, 5855455, 11710910, 12882001, 25764002, 64410005, 128820010]

約数ペア:

[(1, 128820010), (2, 64410005), (5, 25764002), (10, 12882001), (11, 11710910), (22, 5855455), (23, 5600870), (46, 2800435), (55, 2342182), (59, 2183390), (110, 1171091), (115, 1120174), (118, 1091695), (230, 560087), (253, 509170), (295, 436678), (506, 254585), (590, 218339), (649, 198490), (863, 149270), (1265, 101834), (1298, 99245), (1357, 94930), (1726, 74635), (2530, 50917), (2714, 47465), (3245, 39698), (4315, 29854), (6490, 19849), (6785, 18986), (8630, 14927), (9493, 13570)]