490219480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{24859}}^1$

素因数の和:24916

約数の個数: 64

約数和(自身を含む): 1208196000

約数和(自身を除く): 717976520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1972, 2465, 3944, 4930, 9860, 19720, 24859, 49718, 99436, 124295, 198872, 248590, 422603, 497180, 720911, 845206, 994360, 1441822, 1690412, 2113015, 2883644, 3380824, 3604555, 4226030, 5767288, 7209110, 8452060, 12255487, 14418220, 16904120, 24510974, 28836440, 49021948, 61277435, 98043896, 122554870, 245109740, 490219480]

約数ペア:

[(1, 490219480), (2, 245109740), (4, 122554870), (5, 98043896), (8, 61277435), (10, 49021948), (17, 28836440), (20, 24510974), (29, 16904120), (34, 14418220), (40, 12255487), (58, 8452060), (68, 7209110), (85, 5767288), (116, 4226030), (136, 3604555), (145, 3380824), (170, 2883644), (232, 2113015), (290, 1690412), (340, 1441822), (493, 994360), (580, 845206), (680, 720911), (986, 497180), (1160, 422603), (1972, 248590), (2465, 198872), (3944, 124295), (4930, 99436), (9860, 49718), (19720, 24859)]