90503210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 191808000

約数和(自身を除く): 101304790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 89, 146, 178, 199, 365, 398, 445, 511, 623, 730, 890, 995, 1022, 1246, 1393, 1990, 2555, 2786, 3115, 5110, 6230, 6497, 6965, 12994, 13930, 14527, 17711, 29054, 32485, 35422, 45479, 64970, 72635, 88555, 90958, 101689, 123977, 145270, 177110, 203378, 227395, 247954, 454790, 508445, 619885, 1016890, 1239770, 1292903, 2585806, 6464515, 9050321, 12929030, 18100642, 45251605, 90503210]

約数ペア:

[(1, 90503210), (2, 45251605), (5, 18100642), (7, 12929030), (10, 9050321), (14, 6464515), (35, 2585806), (70, 1292903), (73, 1239770), (89, 1016890), (146, 619885), (178, 508445), (199, 454790), (365, 247954), (398, 227395), (445, 203378), (511, 177110), (623, 145270), (730, 123977), (890, 101689), (995, 90958), (1022, 88555), (1246, 72635), (1393, 64970), (1990, 45479), (2555, 35422), (2786, 32485), (3115, 29054), (5110, 17711), (6230, 14527), (6497, 13930), (6965, 12994)]