197406260

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{77719}}^1$

素因数の和:77855

約数の個数: 24

約数和(自身を含む): 417822720

約数和(自身を除く): 220416460

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 77719, 155438, 310876, 388595, 777190, 1554380, 9870313, 19740626, 39481252, 49351565, 98703130, 197406260]

約数ペア:

[(1, 197406260), (2, 98703130), (4, 49351565), (5, 39481252), (10, 19740626), (20, 9870313), (127, 1554380), (254, 777190), (508, 388595), (635, 310876), (1270, 155438), (2540, 77719)]