1277307940

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{230561}}^1$

素因数の和:230847

約数の個数: 24

約数和(自身を含む): 2692041912

約数和(自身を除く): 1414733972

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 230561, 461122, 922244, 1152805, 2305610, 4611220, 63865397, 127730794, 255461588, 319326985, 638653970, 1277307940]

約数ペア:

[(1, 1277307940), (2, 638653970), (4, 319326985), (5, 255461588), (10, 127730794), (20, 63865397), (277, 4611220), (554, 2305610), (1108, 1152805), (1385, 922244), (2770, 461122), (5540, 230561)]