686331380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4902367}}^1$

素因数の和:4902383

約数の個数: 24

約数和(自身を含む): 1647195648

約数和(自身を除く): 960864268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4902367, 9804734, 19609468, 24511835, 34316569, 49023670, 68633138, 98047340, 137266276, 171582845, 343165690, 686331380]

約数ペア:

[(1, 686331380), (2, 343165690), (4, 171582845), (5, 137266276), (7, 98047340), (10, 68633138), (14, 49023670), (20, 34316569), (28, 24511835), (35, 19609468), (70, 9804734), (140, 4902367)]