155536460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{71347}}^1$

素因数の和:71465

約数の個数: 24

約数和(自身を含む): 329627760

約数和(自身を除く): 174091300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 71347, 142694, 285388, 356735, 713470, 1426940, 7776823, 15553646, 31107292, 38884115, 77768230, 155536460]

約数ペア:

[(1, 155536460), (2, 77768230), (4, 38884115), (5, 31107292), (10, 15553646), (20, 7776823), (109, 1426940), (218, 713470), (436, 356735), (545, 285388), (1090, 142694), (2180, 71347)]