212650340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1518931}}^1$

素因数の和:1518947

約数の個数: 24

約数和(自身を含む): 510361152

約数和(自身を除く): 297710812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1518931, 3037862, 6075724, 7594655, 10632517, 15189310, 21265034, 30378620, 42530068, 53162585, 106325170, 212650340]

約数ペア:

[(1, 212650340), (2, 106325170), (4, 53162585), (5, 42530068), (7, 30378620), (10, 21265034), (14, 15189310), (20, 10632517), (28, 7594655), (35, 6075724), (70, 3037862), (140, 1518931)]