2017665575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2063}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 2764108800

約数和(自身を除く): 746443225

約数列:

[1, 5, 19, 25, 29, 71, 95, 145, 355, 475, 551, 725, 1349, 1775, 2059, 2063, 2755, 6745, 10295, 10315, 13775, 33725, 39121, 39197, 51475, 51575, 59827, 146473, 195605, 195985, 299135, 732365, 978025, 979925, 1136713, 1495675, 2782987, 3661825, 4247717, 5683565, 13914935, 21238585, 28417825, 69574675, 80706623, 106192925, 403533115, 2017665575]

約数ペア:

[(1, 2017665575), (5, 403533115), (19, 106192925), (25, 80706623), (29, 69574675), (71, 28417825), (95, 21238585), (145, 13914935), (355, 5683565), (475, 4247717), (551, 3661825), (725, 2782987), (1349, 1495675), (1775, 1136713), (2059, 979925), (2063, 978025), (2755, 732365), (6745, 299135), (10295, 195985), (10315, 195605), (13775, 146473), (33725, 59827), (39121, 51575), (39197, 51475)]