12242860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 29623104

約数和(自身を除く): 17380244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 557, 628, 785, 1099, 1114, 1570, 2198, 2228, 2785, 3140, 3899, 4396, 5495, 5570, 7798, 10990, 11140, 15596, 19495, 21980, 38990, 77980, 87449, 174898, 349796, 437245, 612143, 874490, 1224286, 1748980, 2448572, 3060715, 6121430, 12242860]

約数ペア:

[(1, 12242860), (2, 6121430), (4, 3060715), (5, 2448572), (7, 1748980), (10, 1224286), (14, 874490), (20, 612143), (28, 437245), (35, 349796), (70, 174898), (140, 87449), (157, 77980), (314, 38990), (557, 21980), (628, 19495), (785, 15596), (1099, 11140), (1114, 10990), (1570, 7798), (2198, 5570), (2228, 5495), (2785, 4396), (3140, 3899)]