22390340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{159931}}^1$

素因数の和:159947

約数の個数: 24

約数和(自身を含む): 53737152

約数和(自身を除く): 31346812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 159931, 319862, 639724, 799655, 1119517, 1599310, 2239034, 3198620, 4478068, 5597585, 11195170, 22390340]

約数ペア:

[(1, 22390340), (2, 11195170), (4, 5597585), (5, 4478068), (7, 3198620), (10, 2239034), (14, 1599310), (20, 1119517), (28, 799655), (35, 639724), (70, 319862), (140, 159931)]