289732340

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{19603}}^1$

素因数の和:20351

約数の個数: 24

約数和(自身を含む): 609292320

約数和(自身を除く): 319559980

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 2956, 3695, 7390, 14780, 19603, 39206, 78412, 98015, 196030, 392060, 14486617, 28973234, 57946468, 72433085, 144866170, 289732340]

約数ペア:

[(1, 289732340), (2, 144866170), (4, 72433085), (5, 57946468), (10, 28973234), (20, 14486617), (739, 392060), (1478, 196030), (2956, 98015), (3695, 78412), (7390, 39206), (14780, 19603)]