620020005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4703}}^1$

素因数の和:4786

約数の個数: 64

約数和(自身を含む): 1170505728

約数和(自身を除く): 550485723

約数列:

[1, 3, 5, 11, 15, 17, 33, 47, 51, 55, 85, 141, 165, 187, 235, 255, 517, 561, 705, 799, 935, 1551, 2397, 2585, 2805, 3995, 4703, 7755, 8789, 11985, 14109, 23515, 26367, 43945, 51733, 70545, 79951, 131835, 155199, 221041, 239853, 258665, 399755, 663123, 775995, 879461, 1105205, 1199265, 2431451, 2638383, 3315615, 3757697, 4397305, 7294353, 11273091, 12157255, 13191915, 18788485, 36471765, 41334667, 56365455, 124004001, 206673335, 620020005]

約数ペア:

[(1, 620020005), (3, 206673335), (5, 124004001), (11, 56365455), (15, 41334667), (17, 36471765), (33, 18788485), (47, 13191915), (51, 12157255), (55, 11273091), (85, 7294353), (141, 4397305), (165, 3757697), (187, 3315615), (235, 2638383), (255, 2431451), (517, 1199265), (561, 1105205), (705, 879461), (799, 775995), (935, 663123), (1551, 399755), (2397, 258665), (2585, 239853), (2805, 221041), (3995, 155199), (4703, 131835), (7755, 79951), (8789, 70545), (11985, 51733), (14109, 43945), (23515, 26367)]