201975140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{727}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 440294400

約数和(自身を除く): 238319260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 479, 580, 727, 958, 1454, 1916, 2395, 2908, 3635, 4790, 7270, 9580, 13891, 14540, 21083, 27782, 42166, 55564, 69455, 84332, 105415, 138910, 210830, 277820, 348233, 421660, 696466, 1392932, 1741165, 3482330, 6964660, 10098757, 20197514, 40395028, 50493785, 100987570, 201975140]

約数ペア:

[(1, 201975140), (2, 100987570), (4, 50493785), (5, 40395028), (10, 20197514), (20, 10098757), (29, 6964660), (58, 3482330), (116, 1741165), (145, 1392932), (290, 696466), (479, 421660), (580, 348233), (727, 277820), (958, 210830), (1454, 138910), (1916, 105415), (2395, 84332), (2908, 69455), (3635, 55564), (4790, 42166), (7270, 27782), (9580, 21083), (13891, 14540)]