1278984820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{876017}}^1$

素因数の和:876099

約数の個数: 24

約数和(自身を含む): 2722663944

約数和(自身を除く): 1443679124

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 876017, 1752034, 3504068, 4380085, 8760170, 17520340, 63949241, 127898482, 255796964, 319746205, 639492410, 1278984820]

約数ペア:

[(1, 1278984820), (2, 639492410), (4, 319746205), (5, 255796964), (10, 127898482), (20, 63949241), (73, 17520340), (146, 8760170), (292, 4380085), (365, 3504068), (730, 1752034), (1460, 876017)]