404784140

素因数分解:

$2^2\times 5^1\times {\mathrm{3739}}^1\times {\mathrm{5413}}^1$

素因数の和:9161

約数の個数: 24

約数和(自身を含む): 850431120

約数和(自身を除く): 445646980

約数列:

[1, 2, 4, 5, 10, 20, 3739, 5413, 7478, 10826, 14956, 18695, 21652, 27065, 37390, 54130, 74780, 108260, 20239207, 40478414, 80956828, 101196035, 202392070, 404784140]

約数ペア:

[(1, 404784140), (2, 202392070), (4, 101196035), (5, 80956828), (10, 40478414), (20, 20239207), (3739, 108260), (5413, 74780), (7478, 54130), (10826, 37390), (14956, 27065), (18695, 21652)]