255072580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{3271}}^1$

素因数の和:3844

約数の個数: 48

約数和(自身を含む): 613460736

約数和(自身を除く): 358388156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557, 1114, 2228, 2785, 3271, 3899, 5570, 6542, 7798, 11140, 13084, 15596, 16355, 19495, 22897, 32710, 38990, 45794, 65420, 77980, 91588, 114485, 228970, 457940, 1821947, 3643894, 7287788, 9109735, 12753629, 18219470, 25507258, 36438940, 51014516, 63768145, 127536290, 255072580]

約数ペア:

[(1, 255072580), (2, 127536290), (4, 63768145), (5, 51014516), (7, 36438940), (10, 25507258), (14, 18219470), (20, 12753629), (28, 9109735), (35, 7287788), (70, 3643894), (140, 1821947), (557, 457940), (1114, 228970), (2228, 114485), (2785, 91588), (3271, 77980), (3899, 65420), (5570, 45794), (6542, 38990), (7798, 32710), (11140, 22897), (13084, 19495), (15596, 16355)]