378998420

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{30713}}^1$

素因数の和:31339

約数の個数: 24

約数和(自身を含む): 797212584

約数和(自身を除く): 418214164

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 30713, 61426, 122852, 153565, 307130, 614260, 18949921, 37899842, 75799684, 94749605, 189499210, 378998420]

約数ペア:

[(1, 378998420), (2, 189499210), (4, 94749605), (5, 75799684), (10, 37899842), (20, 18949921), (617, 614260), (1234, 307130), (2468, 153565), (3085, 122852), (6170, 61426), (12340, 30713)]