199205580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{67757}}^1$

素因数の和:67783

約数の個数: 72

約数和(自身を含む): 648850608

約数和(自身を除く): 449645028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 67757, 135514, 203271, 271028, 338785, 406542, 474299, 677570, 813084, 948598, 1016355, 1355140, 1422897, 1897196, 2032710, 2371495, 2845794, 3320093, 4065420, 4742990, 5691588, 6640186, 7114485, 9485980, 9960279, 13280372, 14228970, 16600465, 19920558, 28457940, 33200930, 39841116, 49801395, 66401860, 99602790, 199205580]

約数ペア:

[(1, 199205580), (2, 99602790), (3, 66401860), (4, 49801395), (5, 39841116), (6, 33200930), (7, 28457940), (10, 19920558), (12, 16600465), (14, 14228970), (15, 13280372), (20, 9960279), (21, 9485980), (28, 7114485), (30, 6640186), (35, 5691588), (42, 4742990), (49, 4065420), (60, 3320093), (70, 2845794), (84, 2371495), (98, 2032710), (105, 1897196), (140, 1422897), (147, 1355140), (196, 1016355), (210, 948598), (245, 813084), (294, 677570), (420, 474299), (490, 406542), (588, 338785), (735, 271028), (980, 203271), (1470, 135514), (2940, 67757)]