1910545

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 3162240

約数和(自身を除く): 1251695

約数列:

[1, 5, 7, 13, 17, 19, 35, 65, 85, 91, 95, 119, 133, 169, 221, 247, 323, 455, 595, 665, 845, 1105, 1183, 1235, 1547, 1615, 1729, 2261, 2873, 3211, 4199, 5915, 7735, 8645, 11305, 14365, 16055, 20111, 20995, 22477, 29393, 54587, 100555, 112385, 146965, 272935, 382109, 1910545]

約数ペア:

[(1, 1910545), (5, 382109), (7, 272935), (13, 146965), (17, 112385), (19, 100555), (35, 54587), (65, 29393), (85, 22477), (91, 20995), (95, 20111), (119, 16055), (133, 14365), (169, 11305), (221, 8645), (247, 7735), (323, 5915), (455, 4199), (595, 3211), (665, 2873), (845, 2261), (1105, 1729), (1183, 1615), (1235, 1547)]