291248440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{5227}}^1$

素因数の和:5444

約数の個数: 64

約数和(自身を含む): 752832000

約数和(自身を除く): 461583560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1393, 1592, 1990, 2786, 3980, 5227, 5572, 6965, 7960, 10454, 11144, 13930, 20908, 26135, 27860, 36589, 41816, 52270, 55720, 73178, 104540, 146356, 182945, 209080, 292712, 365890, 731780, 1040173, 1463560, 2080346, 4160692, 5200865, 7281211, 8321384, 10401730, 14562422, 20803460, 29124844, 36406055, 41606920, 58249688, 72812110, 145624220, 291248440]

約数ペア:

[(1, 291248440), (2, 145624220), (4, 72812110), (5, 58249688), (7, 41606920), (8, 36406055), (10, 29124844), (14, 20803460), (20, 14562422), (28, 10401730), (35, 8321384), (40, 7281211), (56, 5200865), (70, 4160692), (140, 2080346), (199, 1463560), (280, 1040173), (398, 731780), (796, 365890), (995, 292712), (1393, 209080), (1592, 182945), (1990, 146356), (2786, 104540), (3980, 73178), (5227, 55720), (5572, 52270), (6965, 41816), (7960, 36589), (10454, 27860), (11144, 26135), (13930, 20908)]