280785816

素因数分解:

$2^3\times 3^2\times {\mathrm{199}}^1\times {\mathrm{19597}}^1$

素因数の和:19808

約数の個数: 48

約数和(自身を含む): 764322000

約数和(自身を除く): 483536184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 199, 398, 597, 796, 1194, 1592, 1791, 2388, 3582, 4776, 7164, 14328, 19597, 39194, 58791, 78388, 117582, 156776, 176373, 235164, 352746, 470328, 705492, 1410984, 3899803, 7799606, 11699409, 15599212, 23398818, 31198424, 35098227, 46797636, 70196454, 93595272, 140392908, 280785816]

約数ペア:

[(1, 280785816), (2, 140392908), (3, 93595272), (4, 70196454), (6, 46797636), (8, 35098227), (9, 31198424), (12, 23398818), (18, 15599212), (24, 11699409), (36, 7799606), (72, 3899803), (199, 1410984), (398, 705492), (597, 470328), (796, 352746), (1194, 235164), (1592, 176373), (1791, 156776), (2388, 117582), (3582, 78388), (4776, 58791), (7164, 39194), (14328, 19597)]