4390375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 32

約数和(自身を含む): 6230016

約数和(自身を除く): 1839641

約数列:

[1, 5, 11, 25, 31, 55, 103, 125, 155, 275, 341, 515, 775, 1133, 1375, 1705, 2575, 3193, 3875, 5665, 8525, 12875, 15965, 28325, 35123, 42625, 79825, 141625, 175615, 399125, 878075, 4390375]

約数ペア:

[(1, 4390375), (5, 878075), (11, 399125), (25, 175615), (31, 141625), (55, 79825), (103, 42625), (125, 35123), (155, 28325), (275, 15965), (341, 12875), (515, 8525), (775, 5665), (1133, 3875), (1375, 3193), (1705, 2575)]