2008990515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{7949}}^1$

素因数の和:8076

約数の個数: 64

約数和(自身を含む): 3846528000

約数和(自身を除く): 1837537485

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 83, 87, 105, 145, 203, 249, 415, 435, 581, 609, 1015, 1245, 1743, 2407, 2905, 3045, 7221, 7949, 8715, 12035, 16849, 23847, 36105, 39745, 50547, 55643, 84245, 119235, 166929, 230521, 252735, 278215, 659767, 691563, 834645, 1152605, 1613647, 1979301, 3298835, 3457815, 4618369, 4840941, 8068235, 9896505, 13855107, 19133243, 23091845, 24204705, 57399729, 69275535, 95666215, 133932701, 286998645, 401798103, 669663505, 2008990515]

約数ペア:

[(1, 2008990515), (3, 669663505), (5, 401798103), (7, 286998645), (15, 133932701), (21, 95666215), (29, 69275535), (35, 57399729), (83, 24204705), (87, 23091845), (105, 19133243), (145, 13855107), (203, 9896505), (249, 8068235), (415, 4840941), (435, 4618369), (581, 3457815), (609, 3298835), (1015, 1979301), (1245, 1613647), (1743, 1152605), (2407, 834645), (2905, 691563), (3045, 659767), (7221, 278215), (7949, 252735), (8715, 230521), (12035, 166929), (16849, 119235), (23847, 84245), (36105, 55643), (39745, 50547)]