660362975

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{1399}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 833280000

約数和(自身を除く): 172917025

約数列:

[1, 5, 25, 79, 239, 395, 1195, 1399, 1975, 5975, 6995, 18881, 34975, 94405, 110521, 334361, 472025, 552605, 1671805, 2763025, 8359025, 26414519, 132072595, 660362975]

約数ペア:

[(1, 660362975), (5, 132072595), (25, 26414519), (79, 8359025), (239, 2763025), (395, 1671805), (1195, 552605), (1399, 472025), (1975, 334361), (5975, 110521), (6995, 94405), (18881, 34975)]