394395080

素因数分解:

$2^3\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{3613}}^1$

素因数の和:6353

約数の個数: 32

約数和(自身を含む): 887959800

約数和(自身を除く): 493564720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2729, 3613, 5458, 7226, 10916, 13645, 14452, 18065, 21832, 27290, 28904, 36130, 54580, 72260, 109160, 144520, 9859877, 19719754, 39439508, 49299385, 78879016, 98598770, 197197540, 394395080]

約数ペア:

[(1, 394395080), (2, 197197540), (4, 98598770), (5, 78879016), (8, 49299385), (10, 39439508), (20, 19719754), (40, 9859877), (2729, 144520), (3613, 109160), (5458, 72260), (7226, 54580), (10916, 36130), (13645, 28904), (14452, 27290), (18065, 21832)]