278300740

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{51347}}^1$

素因数の和:51627

約数の個数: 24

約数和(自身を含む): 586599552

約数和(自身を除く): 308298812

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 51347, 102694, 205388, 256735, 513470, 1026940, 13915037, 27830074, 55660148, 69575185, 139150370, 278300740]

約数ペア:

[(1, 278300740), (2, 139150370), (4, 69575185), (5, 55660148), (10, 27830074), (20, 13915037), (271, 1026940), (542, 513470), (1084, 256735), (1355, 205388), (2710, 102694), (5420, 51347)]