563377940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{1949}}^1$

素因数の和:2204

約数の個数: 48

約数和(自身を含む): 1203930000

約数和(自身を除く): 640552060

約数列:

[1, 2, 4, 5, 10, 20, 97, 149, 194, 298, 388, 485, 596, 745, 970, 1490, 1940, 1949, 2980, 3898, 7796, 9745, 14453, 19490, 28906, 38980, 57812, 72265, 144530, 189053, 289060, 290401, 378106, 580802, 756212, 945265, 1161604, 1452005, 1890530, 2904010, 3781060, 5808020, 28168897, 56337794, 112675588, 140844485, 281688970, 563377940]

約数ペア:

[(1, 563377940), (2, 281688970), (4, 140844485), (5, 112675588), (10, 56337794), (20, 28168897), (97, 5808020), (149, 3781060), (194, 2904010), (298, 1890530), (388, 1452005), (485, 1161604), (596, 945265), (745, 756212), (970, 580802), (1490, 378106), (1940, 290401), (1949, 289060), (2980, 189053), (3898, 144530), (7796, 72265), (9745, 57812), (14453, 38980), (19490, 28906)]