870541420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{31247}}^1$

素因数の和:31462

約数の個数: 48

約数和(自身を含む): 2099865600

約数和(自身を除く): 1229324180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 13930, 27860, 31247, 62494, 124988, 156235, 218729, 312470, 437458, 624940, 874916, 1093645, 2187290, 4374580, 6218153, 12436306, 24872612, 31090765, 43527071, 62181530, 87054142, 124363060, 174108284, 217635355, 435270710, 870541420]

約数ペア:

[(1, 870541420), (2, 435270710), (4, 217635355), (5, 174108284), (7, 124363060), (10, 87054142), (14, 62181530), (20, 43527071), (28, 31090765), (35, 24872612), (70, 12436306), (140, 6218153), (199, 4374580), (398, 2187290), (796, 1093645), (995, 874916), (1393, 624940), (1990, 437458), (2786, 312470), (3980, 218729), (5572, 156235), (6965, 124988), (13930, 62494), (27860, 31247)]