355609940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2540071}}^1$

素因数の和:2540087

約数の個数: 24

約数和(自身を含む): 853464192

約数和(自身を除く): 497854252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2540071, 5080142, 10160284, 12700355, 17780497, 25400710, 35560994, 50801420, 71121988, 88902485, 177804970, 355609940]

約数ペア:

[(1, 355609940), (2, 177804970), (4, 88902485), (5, 71121988), (7, 50801420), (10, 35560994), (14, 25400710), (20, 17780497), (28, 12700355), (35, 10160284), (70, 5080142), (140, 2540071)]