254492020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{13241}}^1$

素因数の和:13312

約数の個数: 36

約数和(自身を含む): 552270852

約数和(自身を除く): 297778832

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 13241, 19220, 26482, 52964, 66205, 132410, 264820, 410471, 820942, 1641884, 2052355, 4104710, 8209420, 12724601, 25449202, 50898404, 63623005, 127246010, 254492020]

約数ペア:

[(1, 254492020), (2, 127246010), (4, 63623005), (5, 50898404), (10, 25449202), (20, 12724601), (31, 8209420), (62, 4104710), (124, 2052355), (155, 1641884), (310, 820942), (620, 410471), (961, 264820), (1922, 132410), (3844, 66205), (4805, 52964), (9610, 26482), (13241, 19220)]