513865940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{524353}}^1$

素因数の和:524376

約数の個数: 36

約数和(自身を含む): 1255303476

約数和(自身を除く): 741437536

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 524353, 1048706, 2097412, 2621765, 3670471, 5243530, 7340942, 10487060, 14681884, 18352355, 25693297, 36704710, 51386594, 73409420, 102773188, 128466485, 256932970, 513865940]

約数ペア:

[(1, 513865940), (2, 256932970), (4, 128466485), (5, 102773188), (7, 73409420), (10, 51386594), (14, 36704710), (20, 25693297), (28, 18352355), (35, 14681884), (49, 10487060), (70, 7340942), (98, 5243530), (140, 3670471), (196, 2621765), (245, 2097412), (490, 1048706), (980, 524353)]