255105620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{165653}}^1$

素因数の和:165680

約数の個数: 48

約数和(自身を含む): 667916928

約数和(自身を除く): 412811308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 165653, 331306, 662612, 828265, 1159571, 1656530, 1822183, 2319142, 3313060, 3644366, 4638284, 5797855, 7288732, 9110915, 11595710, 12755281, 18221830, 23191420, 25510562, 36443660, 51021124, 63776405, 127552810, 255105620]

約数ペア:

[(1, 255105620), (2, 127552810), (4, 63776405), (5, 51021124), (7, 36443660), (10, 25510562), (11, 23191420), (14, 18221830), (20, 12755281), (22, 11595710), (28, 9110915), (35, 7288732), (44, 5797855), (55, 4638284), (70, 3644366), (77, 3313060), (110, 2319142), (140, 1822183), (154, 1656530), (220, 1159571), (308, 828265), (385, 662612), (770, 331306), (1540, 165653)]