2215660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 4692240

約数和(自身を除く): 2476580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 797, 1390, 1594, 2780, 3188, 3985, 7970, 15940, 110783, 221566, 443132, 553915, 1107830, 2215660]

約数ペア:

[(1, 2215660), (2, 1107830), (4, 553915), (5, 443132), (10, 221566), (20, 110783), (139, 15940), (278, 7970), (556, 3985), (695, 3188), (797, 2780), (1390, 1594)]