250237780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{4027}}^1$

素因数の和:4288

約数の個数: 48

約数和(自身を含む): 568431360

約数和(自身を除く): 318193580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2390, 3107, 4027, 4780, 6214, 8054, 12428, 15535, 16108, 20135, 31070, 40270, 52351, 62140, 80540, 104702, 209404, 261755, 523510, 962453, 1047020, 1924906, 3849812, 4812265, 9624530, 12511889, 19249060, 25023778, 50047556, 62559445, 125118890, 250237780]

約数ペア:

[(1, 250237780), (2, 125118890), (4, 62559445), (5, 50047556), (10, 25023778), (13, 19249060), (20, 12511889), (26, 9624530), (52, 4812265), (65, 3849812), (130, 1924906), (239, 1047020), (260, 962453), (478, 523510), (956, 261755), (1195, 209404), (2390, 104702), (3107, 80540), (4027, 62140), (4780, 52351), (6214, 40270), (8054, 31070), (12428, 20135), (15535, 16108)]