30855940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35879}}^1$

素因数の和:35931

約数の個数: 24

約数和(自身を含む): 66306240

約数和(自身を除く): 35450300

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 35879, 71758, 143516, 179395, 358790, 717580, 1542797, 3085594, 6171188, 7713985, 15427970, 30855940]

約数ペア:

[(1, 30855940), (2, 15427970), (4, 7713985), (5, 6171188), (10, 3085594), (20, 1542797), (43, 717580), (86, 358790), (172, 179395), (215, 143516), (430, 71758), (860, 35879)]