172889380

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{45259}}^1$

素因数の和:45459

約数の個数: 24

約数和(自身を含む): 364976640

約数和(自身を除く): 192087260

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 45259, 90518, 181036, 226295, 452590, 905180, 8644469, 17288938, 34577876, 43222345, 86444690, 172889380]

約数ペア:

[(1, 172889380), (2, 86444690), (4, 43222345), (5, 34577876), (10, 17288938), (20, 8644469), (191, 905180), (382, 452590), (764, 226295), (955, 181036), (1910, 90518), (3820, 45259)]