77779130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 166320000

約数和(自身を除く): 88540870

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 109, 110, 130, 143, 218, 286, 499, 545, 715, 998, 1090, 1199, 1417, 1430, 2398, 2495, 2834, 4990, 5489, 5995, 6487, 7085, 10978, 11990, 12974, 14170, 15587, 27445, 31174, 32435, 54391, 54890, 64870, 71357, 77935, 108782, 142714, 155870, 271955, 356785, 543910, 598301, 707083, 713570, 1196602, 1414166, 2991505, 3535415, 5983010, 7070830, 7777913, 15555826, 38889565, 77779130]

約数ペア:

[(1, 77779130), (2, 38889565), (5, 15555826), (10, 7777913), (11, 7070830), (13, 5983010), (22, 3535415), (26, 2991505), (55, 1414166), (65, 1196602), (109, 713570), (110, 707083), (130, 598301), (143, 543910), (218, 356785), (286, 271955), (499, 155870), (545, 142714), (715, 108782), (998, 77935), (1090, 71357), (1199, 64870), (1417, 54890), (1430, 54391), (2398, 32435), (2495, 31174), (2834, 27445), (4990, 15587), (5489, 14170), (5995, 12974), (6487, 11990), (7085, 10978)]