69702140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{81049}}^1$

素因数の和:81101

約数の個数: 24

約数和(自身を含む): 149780400

約数和(自身を除く): 80078260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 81049, 162098, 324196, 405245, 810490, 1620980, 3485107, 6970214, 13940428, 17425535, 34851070, 69702140]

約数ペア:

[(1, 69702140), (2, 34851070), (4, 17425535), (5, 13940428), (10, 6970214), (20, 3485107), (43, 1620980), (86, 810490), (172, 405245), (215, 324196), (430, 162098), (860, 81049)]