279410069380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5233}}^1\times {\mathrm{15797}}^1$

素因数の和:21065

約数の個数: 72

約数和(自身を含む): 635530222152

約数和(自身を除く): 356120152772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5233, 10466, 15797, 20932, 26165, 31594, 52330, 63188, 68029, 78985, 104660, 136058, 157970, 205361, 272116, 315940, 340145, 410722, 680290, 821444, 884377, 1026805, 1360580, 1768754, 2053610, 2669693, 3537508, 4107220, 4421885, 5339386, 8843770, 10678772, 13348465, 17687540, 26696930, 53393860, 82665701, 165331402, 330662804, 413328505, 826657010, 1074654113, 1653314020, 2149308226, 4298616452, 5373270565, 10746541130, 13970503469, 21493082260, 27941006938, 55882013876, 69852517345, 139705034690, 279410069380]

約数ペア:

[(1, 279410069380), (2, 139705034690), (4, 69852517345), (5, 55882013876), (10, 27941006938), (13, 21493082260), (20, 13970503469), (26, 10746541130), (52, 5373270565), (65, 4298616452), (130, 2149308226), (169, 1653314020), (260, 1074654113), (338, 826657010), (676, 413328505), (845, 330662804), (1690, 165331402), (3380, 82665701), (5233, 53393860), (10466, 26696930), (15797, 17687540), (20932, 13348465), (26165, 10678772), (31594, 8843770), (52330, 5339386), (63188, 4421885), (68029, 4107220), (78985, 3537508), (104660, 2669693), (136058, 2053610), (157970, 1768754), (205361, 1360580), (272116, 1026805), (315940, 884377), (340145, 821444), (410722, 680290)]