78422090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{270421}}^1$

素因数の和:270457

約数の個数: 16

約数和(自身を含む): 146027880

約数和(自身を除く): 67605790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 270421, 540842, 1352105, 2704210, 7842209, 15684418, 39211045, 78422090]

約数ペア:

[(1, 78422090), (2, 39211045), (5, 15684418), (10, 7842209), (29, 2704210), (58, 1352105), (145, 540842), (290, 270421)]