68712940

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{9901}}^1$

素因数の和:10257

約数の個数: 24

約数和(自身を含む): 144727632

約数和(自身を除く): 76014692

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6940, 9901, 19802, 39604, 49505, 99010, 198020, 3435647, 6871294, 13742588, 17178235, 34356470, 68712940]

約数ペア:

[(1, 68712940), (2, 34356470), (4, 17178235), (5, 13742588), (10, 6871294), (20, 3435647), (347, 198020), (694, 99010), (1388, 49505), (1735, 39604), (3470, 19802), (6940, 9901)]