239659280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1523}}^1$

素因数の和:1824

約数の個数: 80

約数和(自身を含む): 639494784

約数和(自身を除く): 399835504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 1124, 1405, 1523, 1967, 2248, 2810, 3046, 3934, 4496, 5620, 6092, 7615, 7868, 9835, 10661, 11240, 12184, 15230, 15736, 19670, 21322, 22480, 24368, 30460, 31472, 39340, 42644, 53305, 60920, 78680, 85288, 106610, 121840, 157360, 170576, 213220, 426440, 427963, 852880, 855926, 1711852, 2139815, 2995741, 3423704, 4279630, 5991482, 6847408, 8559260, 11982964, 14978705, 17118520, 23965928, 29957410, 34237040, 47931856, 59914820, 119829640, 239659280]

約数ペア:

[(1, 239659280), (2, 119829640), (4, 59914820), (5, 47931856), (7, 34237040), (8, 29957410), (10, 23965928), (14, 17118520), (16, 14978705), (20, 11982964), (28, 8559260), (35, 6847408), (40, 5991482), (56, 4279630), (70, 3423704), (80, 2995741), (112, 2139815), (140, 1711852), (280, 855926), (281, 852880), (560, 427963), (562, 426440), (1124, 213220), (1405, 170576), (1523, 157360), (1967, 121840), (2248, 106610), (2810, 85288), (3046, 78680), (3934, 60920), (4496, 53305), (5620, 42644), (6092, 39340), (7615, 31472), (7868, 30460), (9835, 24368), (10661, 22480), (11240, 21322), (12184, 19670), (15230, 15736)]