201254170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{49939}}^1$

素因数の和:49990

約数の個数: 32

約数和(自身を含む): 402716160

約数和(自身を除く): 201461990

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 49939, 99878, 249695, 499390, 649207, 1298414, 1548109, 3096218, 3246035, 6492070, 7740545, 15481090, 20125417, 40250834, 100627085, 201254170]

約数ペア:

[(1, 201254170), (2, 100627085), (5, 40250834), (10, 20125417), (13, 15481090), (26, 7740545), (31, 6492070), (62, 3246035), (65, 3096218), (130, 1548109), (155, 1298414), (310, 649207), (403, 499390), (806, 249695), (2015, 99878), (4030, 49939)]