201718190

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{145121}}^1$

素因数の和:145267

約数の個数: 16

約数和(自身を含む): 365707440

約数和(自身を除く): 163989250

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 145121, 290242, 725605, 1451210, 20171819, 40343638, 100859095, 201718190]

約数ペア:

[(1, 201718190), (2, 100859095), (5, 40343638), (10, 20171819), (139, 1451210), (278, 725605), (695, 290242), (1390, 145121)]