153870220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7907}}^1$

素因数の和:8062

約数の個数: 48

約数和(自身を含む): 371992320

約数和(自身を除く): 218122100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 7907, 9730, 15814, 19460, 31628, 39535, 55349, 79070, 110698, 158140, 221396, 276745, 553490, 1099073, 1106980, 2198146, 4396292, 5495365, 7693511, 10990730, 15387022, 21981460, 30774044, 38467555, 76935110, 153870220]

約数ペア:

[(1, 153870220), (2, 76935110), (4, 38467555), (5, 30774044), (7, 21981460), (10, 15387022), (14, 10990730), (20, 7693511), (28, 5495365), (35, 4396292), (70, 2198146), (139, 1106980), (140, 1099073), (278, 553490), (556, 276745), (695, 221396), (973, 158140), (1390, 110698), (1946, 79070), (2780, 55349), (3892, 39535), (4865, 31628), (7907, 19460), (9730, 15814)]