123208085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 201277440

約数和(自身を除く): 78069355

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 103, 143, 239, 385, 455, 515, 715, 721, 1001, 1133, 1195, 1339, 1673, 2629, 3107, 3605, 5005, 5665, 6695, 7931, 8365, 9373, 13145, 14729, 15535, 18403, 21749, 24617, 34177, 39655, 46865, 73645, 92015, 103103, 108745, 123085, 170885, 172319, 239239, 270787, 320021, 515515, 861595, 1196195, 1353935, 1600105, 1895509, 2240147, 3520231, 9477545, 11200735, 17601155, 24641617, 123208085]

約数ペア:

[(1, 123208085), (5, 24641617), (7, 17601155), (11, 11200735), (13, 9477545), (35, 3520231), (55, 2240147), (65, 1895509), (77, 1600105), (91, 1353935), (103, 1196195), (143, 861595), (239, 515515), (385, 320021), (455, 270787), (515, 239239), (715, 172319), (721, 170885), (1001, 123085), (1133, 108745), (1195, 103103), (1339, 92015), (1673, 73645), (2629, 46865), (3107, 39655), (3605, 34177), (5005, 24617), (5665, 21749), (6695, 18403), (7931, 15535), (8365, 14729), (9373, 13145)]