282981580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{27689}}^1$

素因数の和:27778

約数の個数: 48

約数和(自身を含む): 688484160

約数和(自身を除く): 405502580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 27689, 55378, 110756, 138445, 193823, 276890, 387646, 553780, 775292, 969115, 1938230, 2021297, 3876460, 4042594, 8085188, 10106485, 14149079, 20212970, 28298158, 40425940, 56596316, 70745395, 141490790, 282981580]

約数ペア:

[(1, 282981580), (2, 141490790), (4, 70745395), (5, 56596316), (7, 40425940), (10, 28298158), (14, 20212970), (20, 14149079), (28, 10106485), (35, 8085188), (70, 4042594), (73, 3876460), (140, 2021297), (146, 1938230), (292, 969115), (365, 775292), (511, 553780), (730, 387646), (1022, 276890), (1460, 193823), (2044, 138445), (2555, 110756), (5110, 55378), (10220, 27689)]