313635880

素因数分解:

$2^3\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{3307}}^1$

素因数の和:5689

約数の個数: 32

約数和(自身を含む): 706191840

約数和(自身を除く): 392555960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2371, 3307, 4742, 6614, 9484, 11855, 13228, 16535, 18968, 23710, 26456, 33070, 47420, 66140, 94840, 132280, 7840897, 15681794, 31363588, 39204485, 62727176, 78408970, 156817940, 313635880]

約数ペア:

[(1, 313635880), (2, 156817940), (4, 78408970), (5, 62727176), (8, 39204485), (10, 31363588), (20, 15681794), (40, 7840897), (2371, 132280), (3307, 94840), (4742, 66140), (6614, 47420), (9484, 33070), (11855, 26456), (13228, 23710), (16535, 18968)]