289604030

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{407893}}^1$

素因数の和:407971

約数の個数: 16

約数和(自身を含む): 528630624

約数和(自身を除く): 239026594

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 407893, 815786, 2039465, 4078930, 28960403, 57920806, 144802015, 289604030]

約数ペア:

[(1, 289604030), (2, 144802015), (5, 57920806), (10, 28960403), (71, 4078930), (142, 2039465), (355, 815786), (710, 407893)]