2840320.00000000

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 14973000

約数和(自身を除く): 3883675

約数列:

[1, 5, 13, 25, 65, 149, 229, 325, 745, 1145, 1937, 2977, 3725, 5725, 9685, 14885, 34121, 48425, 74425, 170605, 443573, 853025, 2217865, 11089325]

約数ペア:

[(1, 11089325), (5, 2217865), (13, 853025), (25, 443573), (65, 170605), (149, 74425), (229, 48425), (325, 34121), (745, 14885), (1145, 9685), (1937, 5725), (2977, 3725)]