220663788

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{857}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 528528000

約数和(自身を除く): 307864212

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 499, 516, 857, 998, 1497, 1714, 1996, 2571, 2994, 3428, 5142, 5988, 10284, 21457, 36851, 42914, 64371, 73702, 85828, 110553, 128742, 147404, 221106, 257484, 427643, 442212, 855286, 1282929, 1710572, 2565858, 5131716, 18388649, 36777298, 55165947, 73554596, 110331894, 220663788]

約数ペア:

[(1, 220663788), (2, 110331894), (3, 73554596), (4, 55165947), (6, 36777298), (12, 18388649), (43, 5131716), (86, 2565858), (129, 1710572), (172, 1282929), (258, 855286), (499, 442212), (516, 427643), (857, 257484), (998, 221106), (1497, 147404), (1714, 128742), (1996, 110553), (2571, 85828), (2994, 73702), (3428, 64371), (5142, 42914), (5988, 36851), (10284, 21457)]