379778890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{348421}}^1$

素因数の和:348537

約数の個数: 16

約数和(自身を含む): 689875560

約数和(自身を除く): 310096670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 348421, 696842, 1742105, 3484210, 37977889, 75955778, 189889445, 379778890]

約数ペア:

[(1, 379778890), (2, 189889445), (5, 75955778), (10, 37977889), (109, 3484210), (218, 1742105), (545, 696842), (1090, 348421)]