30429140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217351}}^1$

素因数の和:217367

約数の個数: 24

約数和(自身を含む): 73030272

約数和(自身を除く): 42601132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217351, 434702, 869404, 1086755, 1521457, 2173510, 3042914, 4347020, 6085828, 7607285, 15214570, 30429140]

約数ペア:

[(1, 30429140), (2, 15214570), (4, 7607285), (5, 6085828), (7, 4347020), (10, 3042914), (14, 2173510), (20, 1521457), (28, 1086755), (35, 869404), (70, 434702), (140, 217351)]