849408025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{5303}}^1$

素因数の和:5505

約数の個数: 24

約数和(自身を含む): 1085198400

約数和(自身を除く): 235790375

約数列:

[1, 5, 25, 43, 149, 215, 745, 1075, 3725, 5303, 6407, 26515, 32035, 132575, 160175, 228029, 790147, 1140145, 3950735, 5700725, 19753675, 33976321, 169881605, 849408025]

約数ペア:

[(1, 849408025), (5, 169881605), (25, 33976321), (43, 19753675), (149, 5700725), (215, 3950735), (745, 1140145), (1075, 790147), (3725, 228029), (5303, 160175), (6407, 132575), (26515, 32035)]