207804575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 295695360

約数和(自身を除く): 87890785

約数列:

[1, 5, 11, 25, 29, 55, 71, 145, 275, 319, 355, 367, 725, 781, 1595, 1775, 1835, 2059, 3905, 4037, 7975, 9175, 10295, 10643, 19525, 20185, 22649, 26057, 51475, 53215, 100925, 113245, 117073, 130285, 266075, 286627, 566225, 585365, 651425, 755653, 1433135, 2926825, 3778265, 7165675, 8312183, 18891325, 41560915, 207804575]

約数ペア:

[(1, 207804575), (5, 41560915), (11, 18891325), (25, 8312183), (29, 7165675), (55, 3778265), (71, 2926825), (145, 1433135), (275, 755653), (319, 651425), (355, 585365), (367, 566225), (725, 286627), (781, 266075), (1595, 130285), (1775, 117073), (1835, 113245), (2059, 100925), (3905, 53215), (4037, 51475), (7975, 26057), (9175, 22649), (10295, 20185), (10643, 19525)]