148807840

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6691}}^1$

素因数の和:6845

約数の個数: 48

約数和(自身を含む): 354140640

約数和(自身を除く): 205332800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 4448, 5560, 6691, 11120, 13382, 22240, 26764, 33455, 53528, 66910, 107056, 133820, 214112, 267640, 535280, 930049, 1070560, 1860098, 3720196, 4650245, 7440392, 9300490, 14880784, 18600980, 29761568, 37201960, 74403920, 148807840]

約数ペア:

[(1, 148807840), (2, 74403920), (4, 37201960), (5, 29761568), (8, 18600980), (10, 14880784), (16, 9300490), (20, 7440392), (32, 4650245), (40, 3720196), (80, 1860098), (139, 1070560), (160, 930049), (278, 535280), (556, 267640), (695, 214112), (1112, 133820), (1390, 107056), (2224, 66910), (2780, 53528), (4448, 33455), (5560, 26764), (6691, 22240), (11120, 13382)]