17571820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{401}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 42412608

約数和(自身を除く): 24840788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 401, 626, 802, 1252, 1565, 1604, 2005, 2191, 2807, 3130, 4010, 4382, 5614, 6260, 8020, 8764, 10955, 11228, 14035, 21910, 28070, 43820, 56140, 125513, 251026, 502052, 627565, 878591, 1255130, 1757182, 2510260, 3514364, 4392955, 8785910, 17571820]

約数ペア:

[(1, 17571820), (2, 8785910), (4, 4392955), (5, 3514364), (7, 2510260), (10, 1757182), (14, 1255130), (20, 878591), (28, 627565), (35, 502052), (70, 251026), (140, 125513), (313, 56140), (401, 43820), (626, 28070), (802, 21910), (1252, 14035), (1565, 11228), (1604, 10955), (2005, 8764), (2191, 8020), (2807, 6260), (3130, 5614), (4010, 4382)]