257148430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{333959}}^1$

素因数の和:333984

約数の個数: 32

約数和(自身を含む): 577082880

約数和(自身を除く): 319934450

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 333959, 667918, 1669795, 2337713, 3339590, 3673549, 4675426, 7347098, 11688565, 18367745, 23377130, 25714843, 36735490, 51429686, 128574215, 257148430]

約数ペア:

[(1, 257148430), (2, 128574215), (5, 51429686), (7, 36735490), (10, 25714843), (11, 23377130), (14, 18367745), (22, 11688565), (35, 7347098), (55, 4675426), (70, 3673549), (77, 3339590), (110, 2337713), (154, 1669795), (385, 667918), (770, 333959)]