219586340

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{80141}}^1$

素因数の和:80287

約数の個数: 24

約数和(自身を含む): 464503032

約数和(自身を除く): 244916692

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 80141, 160282, 320564, 400705, 801410, 1602820, 10979317, 21958634, 43917268, 54896585, 109793170, 219586340]

約数ペア:

[(1, 219586340), (2, 109793170), (4, 54896585), (5, 43917268), (10, 21958634), (20, 10979317), (137, 1602820), (274, 801410), (548, 400705), (685, 320564), (1370, 160282), (2740, 80141)]