222788260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{271693}}^1$

素因数の和:271743

約数の個数: 24

約数和(自身を含む): 479268216

約数和(自身を除く): 256479956

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 271693, 543386, 1086772, 1358465, 2716930, 5433860, 11139413, 22278826, 44557652, 55697065, 111394130, 222788260]

約数ペア:

[(1, 222788260), (2, 111394130), (4, 55697065), (5, 44557652), (10, 22278826), (20, 11139413), (41, 5433860), (82, 2716930), (164, 1358465), (205, 1086772), (410, 543386), (820, 271693)]