387699760

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 160

約数和(自身を含む): 1071360000

約数和(自身を除く): 683660240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 199, 245, 280, 284, 343, 355, 392, 398, 490, 497, 560, 568, 686, 710, 784, 796, 980, 994, 995, 1136, 1372, 1393, 1420, 1592, 1715, 1960, 1988, 1990, 2485, 2744, 2786, 2840, 3184, 3430, 3479, 3920, 3976, 3980, 4970, 5488, 5572, 5680, 6860, 6958, 6965, 7952, 7960, 9751, 9940, 11144, 13720, 13916, 13930, 14129, 15920, 17395, 19502, 19880, 22288, 24353, 27440, 27832, 27860, 28258, 34790, 39004, 39760, 48706, 48755, 55664, 55720, 56516, 68257, 69580, 70645, 78008, 97412, 97510, 98903, 111440, 113032, 121765, 136514, 139160, 141290, 156016, 194824, 195020, 197806, 226064, 243530, 273028, 278320, 282580, 341285, 389648, 390040, 395612, 487060, 494515, 546056, 565160, 682570, 692321, 780080, 791224, 974120, 989030, 1092112, 1130320, 1365140, 1384642, 1582448, 1948240, 1978060, 2730280, 2769284, 3461605, 3956120, 4846247, 5460560, 5538568, 6923210, 7912240, 9692494, 11077136, 13846420, 19384988, 24231235, 27692840, 38769976, 48462470, 55385680, 77539952, 96924940, 193849880, 387699760]

約数ペア:

[(1, 387699760), (2, 193849880), (4, 96924940), (5, 77539952), (7, 55385680), (8, 48462470), (10, 38769976), (14, 27692840), (16, 24231235), (20, 19384988), (28, 13846420), (35, 11077136), (40, 9692494), (49, 7912240), (56, 6923210), (70, 5538568), (71, 5460560), (80, 4846247), (98, 3956120), (112, 3461605), (140, 2769284), (142, 2730280), (196, 1978060), (199, 1948240), (245, 1582448), (280, 1384642), (284, 1365140), (343, 1130320), (355, 1092112), (392, 989030), (398, 974120), (490, 791224), (497, 780080), (560, 692321), (568, 682570), (686, 565160), (710, 546056), (784, 494515), (796, 487060), (980, 395612), (994, 390040), (995, 389648), (1136, 341285), (1372, 282580), (1393, 278320), (1420, 273028), (1592, 243530), (1715, 226064), (1960, 197806), (1988, 195020), (1990, 194824), (2485, 156016), (2744, 141290), (2786, 139160), (2840, 136514), (3184, 121765), (3430, 113032), (3479, 111440), (3920, 98903), (3976, 97510), (3980, 97412), (4970, 78008), (5488, 70645), (5572, 69580), (5680, 68257), (6860, 56516), (6958, 55720), (6965, 55664), (7952, 48755), (7960, 48706), (9751, 39760), (9940, 39004), (11144, 34790), (13720, 28258), (13916, 27860), (13930, 27832), (14129, 27440), (15920, 24353), (17395, 22288), (19502, 19880)]