249564980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1782607}}^1$

素因数の和:1782623

約数の個数: 24

約数和(自身を含む): 598956288

約数和(自身を除く): 349391308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1782607, 3565214, 7130428, 8913035, 12478249, 17826070, 24956498, 35652140, 49912996, 62391245, 124782490, 249564980]

約数ペア:

[(1, 249564980), (2, 124782490), (4, 62391245), (5, 49912996), (7, 35652140), (10, 24956498), (14, 17826070), (20, 12478249), (28, 8913035), (35, 7130428), (70, 3565214), (140, 1782607)]