489020920

素因数分解:

$2^3\times 5^1\times {\mathrm{2347}}^1\times {\mathrm{5209}}^1$

素因数の和:7567

約数の個数: 32

約数和(自身を含む): 1100977200

約数和(自身を除く): 611956280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2347, 4694, 5209, 9388, 10418, 11735, 18776, 20836, 23470, 26045, 41672, 46940, 52090, 93880, 104180, 208360, 12225523, 24451046, 48902092, 61127615, 97804184, 122255230, 244510460, 489020920]

約数ペア:

[(1, 489020920), (2, 244510460), (4, 122255230), (5, 97804184), (8, 61127615), (10, 48902092), (20, 24451046), (40, 12225523), (2347, 208360), (4694, 104180), (5209, 93880), (9388, 52090), (10418, 46940), (11735, 41672), (18776, 26045), (20836, 23470)]