1260756868

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{39953}}^1$

素因数の和:40001

約数の個数: 48

約数和(自身を含む): 2684908800

約数和(自身を除く): 1424151932

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 644, 686, 1127, 1372, 2254, 4508, 7889, 15778, 31556, 39953, 79906, 159812, 279671, 559342, 918919, 1118684, 1837838, 1957697, 3675676, 3915394, 6432433, 7830788, 12864866, 13703879, 25729732, 27407758, 45027031, 54815516, 90054062, 180108124, 315189217, 630378434, 1260756868]

約数ペア:

[(1, 1260756868), (2, 630378434), (4, 315189217), (7, 180108124), (14, 90054062), (23, 54815516), (28, 45027031), (46, 27407758), (49, 25729732), (92, 13703879), (98, 12864866), (161, 7830788), (196, 6432433), (322, 3915394), (343, 3675676), (644, 1957697), (686, 1837838), (1127, 1118684), (1372, 918919), (2254, 559342), (4508, 279671), (7889, 159812), (15778, 79906), (31556, 39953)]