274657820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1523}}^1$

素因数の和:1730

約数の個数: 48

約数和(自身を含む): 589897728

約数和(自身を除く): 315239908

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 710, 1270, 1420, 1523, 2540, 3046, 6092, 7615, 9017, 15230, 18034, 30460, 36068, 45085, 90170, 108133, 180340, 193421, 216266, 386842, 432532, 540665, 773684, 967105, 1081330, 1934210, 2162660, 3868420, 13732891, 27465782, 54931564, 68664455, 137328910, 274657820]

約数ペア:

[(1, 274657820), (2, 137328910), (4, 68664455), (5, 54931564), (10, 27465782), (20, 13732891), (71, 3868420), (127, 2162660), (142, 1934210), (254, 1081330), (284, 967105), (355, 773684), (508, 540665), (635, 432532), (710, 386842), (1270, 216266), (1420, 193421), (1523, 180340), (2540, 108133), (3046, 90170), (6092, 45085), (7615, 36068), (9017, 30460), (15230, 18034)]