280454744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{6661}}^1$

素因数の和:6963

約数の個数: 32

約数和(自身を含む): 555610800

約数和(自身を除く): 275156056

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 277, 554, 1108, 2216, 5263, 6661, 10526, 13322, 21052, 26644, 42104, 53288, 126559, 253118, 506236, 1012472, 1845097, 3690194, 7380388, 14760776, 35056843, 70113686, 140227372, 280454744]

約数ペア:

[(1, 280454744), (2, 140227372), (4, 70113686), (8, 35056843), (19, 14760776), (38, 7380388), (76, 3690194), (152, 1845097), (277, 1012472), (554, 506236), (1108, 253118), (2216, 126559), (5263, 53288), (6661, 42104), (10526, 26644), (13322, 21052)]