16858940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17203}}^1$

素因数の和:17226

約数の個数: 36

約数和(自身を含む): 41186376

約数和(自身を除く): 24327436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 17203, 34406, 68812, 86015, 120421, 172030, 240842, 344060, 481684, 602105, 842947, 1204210, 1685894, 2408420, 3371788, 4214735, 8429470, 16858940]

約数ペア:

[(1, 16858940), (2, 8429470), (4, 4214735), (5, 3371788), (7, 2408420), (10, 1685894), (14, 1204210), (20, 842947), (28, 602105), (35, 481684), (49, 344060), (70, 240842), (98, 172030), (140, 120421), (196, 86015), (245, 68812), (490, 34406), (980, 17203)]