274791640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{66697}}^1$

素因数の和:66811

約数の個数: 32

約数和(自身を含む): 624293280

約数和(自身を除く): 349501640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 66697, 133394, 266788, 333485, 533576, 666970, 1333940, 2667880, 6869791, 13739582, 27479164, 34348955, 54958328, 68697910, 137395820, 274791640]

約数ペア:

[(1, 274791640), (2, 137395820), (4, 68697910), (5, 54958328), (8, 34348955), (10, 27479164), (20, 13739582), (40, 6869791), (103, 2667880), (206, 1333940), (412, 666970), (515, 533576), (824, 333485), (1030, 266788), (2060, 133394), (4120, 66697)]