193163960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439009}}^1$

素因数の和:439031

約数の個数: 32

約数和(自身を含む): 474130800

約数和(自身を除く): 280966840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 439009, 878018, 1756036, 2195045, 3512072, 4390090, 4829099, 8780180, 9658198, 17560360, 19316396, 24145495, 38632792, 48290990, 96581980, 193163960]

約数ペア:

[(1, 193163960), (2, 96581980), (4, 48290990), (5, 38632792), (8, 24145495), (10, 19316396), (11, 17560360), (20, 9658198), (22, 8780180), (40, 4829099), (44, 4390090), (55, 3512072), (88, 2195045), (110, 1756036), (220, 878018), (440, 439009)]