201978175

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1201}}^1$

素因数の和:1280

約数の個数: 36

約数和(自身を含む): 296009328

約数和(自身を除く): 94031153

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 961, 1085, 1201, 4805, 5425, 6005, 6727, 8407, 24025, 30025, 33635, 37231, 42035, 168175, 186155, 210175, 260617, 930775, 1154161, 1303085, 5770805, 6515425, 8079127, 28854025, 40395635, 201978175]

約数ペア:

[(1, 201978175), (5, 40395635), (7, 28854025), (25, 8079127), (31, 6515425), (35, 5770805), (155, 1303085), (175, 1154161), (217, 930775), (775, 260617), (961, 210175), (1085, 186155), (1201, 168175), (4805, 42035), (5425, 37231), (6005, 33635), (6727, 30025), (8407, 24025)]