127978340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{914131}}^1$

素因数の和:914147

約数の個数: 24

約数和(自身を含む): 307148352

約数和(自身を除く): 179170012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 914131, 1828262, 3656524, 4570655, 6398917, 9141310, 12797834, 18282620, 25595668, 31994585, 63989170, 127978340]

約数ペア:

[(1, 127978340), (2, 63989170), (4, 31994585), (5, 25595668), (7, 18282620), (10, 12797834), (14, 9141310), (20, 6398917), (28, 4570655), (35, 3656524), (70, 1828262), (140, 914131)]