317198380

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{40771}}^1$

素因数の和:41169

約数の個数: 24

約数和(自身を含む): 667845360

約数和(自身を除く): 350646980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 40771, 81542, 163084, 203855, 407710, 815420, 15859919, 31719838, 63439676, 79299595, 158599190, 317198380]

約数ペア:

[(1, 317198380), (2, 158599190), (4, 79299595), (5, 63439676), (10, 31719838), (20, 15859919), (389, 815420), (778, 407710), (1556, 203855), (1945, 163084), (3890, 81542), (7780, 40771)]