839904240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{499943}}^1$

素因数の和:499966

約数の個数: 80

約数和(自身を含む): 2975666688

約数和(自身を除く): 2135762448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 499943, 999886, 1499829, 1999772, 2499715, 2999658, 3499601, 3999544, 4999430, 5999316, 6999202, 7499145, 7999088, 9998860, 10498803, 11998632, 13998404, 14998290, 17498005, 19997720, 20997606, 23997264, 27996808, 29996580, 34996010, 39995440, 41995212, 52494015, 55993616, 59993160, 69992020, 83990424, 104988030, 119986320, 139984040, 167980848, 209976060, 279968080, 419952120, 839904240]

約数ペア:

[(1, 839904240), (2, 419952120), (3, 279968080), (4, 209976060), (5, 167980848), (6, 139984040), (7, 119986320), (8, 104988030), (10, 83990424), (12, 69992020), (14, 59993160), (15, 55993616), (16, 52494015), (20, 41995212), (21, 39995440), (24, 34996010), (28, 29996580), (30, 27996808), (35, 23997264), (40, 20997606), (42, 19997720), (48, 17498005), (56, 14998290), (60, 13998404), (70, 11998632), (80, 10498803), (84, 9998860), (105, 7999088), (112, 7499145), (120, 6999202), (140, 5999316), (168, 4999430), (210, 3999544), (240, 3499601), (280, 2999658), (336, 2499715), (420, 1999772), (560, 1499829), (840, 999886), (1680, 499943)]