270804520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6491}}^1$

素因数の和:6658

約数の個数: 64

約数和(自身を含む): 701136000

約数和(自身を除く): 430331480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5960, 6491, 8344, 10430, 12982, 20860, 25964, 32455, 41720, 45437, 51928, 64910, 90874, 129820, 181748, 227185, 259640, 363496, 454370, 908740, 967159, 1817480, 1934318, 3868636, 4835795, 6770113, 7737272, 9671590, 13540226, 19343180, 27080452, 33850565, 38686360, 54160904, 67701130, 135402260, 270804520]

約数ペア:

[(1, 270804520), (2, 135402260), (4, 67701130), (5, 54160904), (7, 38686360), (8, 33850565), (10, 27080452), (14, 19343180), (20, 13540226), (28, 9671590), (35, 7737272), (40, 6770113), (56, 4835795), (70, 3868636), (140, 1934318), (149, 1817480), (280, 967159), (298, 908740), (596, 454370), (745, 363496), (1043, 259640), (1192, 227185), (1490, 181748), (2086, 129820), (2980, 90874), (4172, 64910), (5215, 51928), (5960, 45437), (6491, 41720), (8344, 32455), (10430, 25964), (12982, 20860)]