200900180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10883}}^1$

素因数の和:10976

約数の個数: 48

約数和(自身を含む): 460785024

約数和(自身を除く): 259884844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 10883, 18460, 21766, 43532, 54415, 108830, 141479, 217660, 282958, 565916, 707395, 772693, 1414790, 1545386, 2829580, 3090772, 3863465, 7726930, 10045009, 15453860, 20090018, 40180036, 50225045, 100450090, 200900180]

約数ペア:

[(1, 200900180), (2, 100450090), (4, 50225045), (5, 40180036), (10, 20090018), (13, 15453860), (20, 10045009), (26, 7726930), (52, 3863465), (65, 3090772), (71, 2829580), (130, 1545386), (142, 1414790), (260, 772693), (284, 707395), (355, 565916), (710, 282958), (923, 217660), (1420, 141479), (1846, 108830), (3692, 54415), (4615, 43532), (9230, 21766), (10883, 18460)]