2011874420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{26479}}^1$

素因数の和:26648

約数の個数: 48

約数和(自身を含む): 4404153600

約数和(自身を除く): 2392279180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 262, 290, 524, 580, 655, 1310, 2620, 3799, 7598, 15196, 18995, 26479, 37990, 52958, 75980, 105916, 132395, 264790, 529580, 767891, 1535782, 3071564, 3468749, 3839455, 6937498, 7678910, 13874996, 15357820, 17343745, 34687490, 69374980, 100593721, 201187442, 402374884, 502968605, 1005937210, 2011874420]

約数ペア:

[(1, 2011874420), (2, 1005937210), (4, 502968605), (5, 402374884), (10, 201187442), (20, 100593721), (29, 69374980), (58, 34687490), (116, 17343745), (131, 15357820), (145, 13874996), (262, 7678910), (290, 6937498), (524, 3839455), (580, 3468749), (655, 3071564), (1310, 1535782), (2620, 767891), (3799, 529580), (7598, 264790), (15196, 132395), (18995, 105916), (26479, 75980), (37990, 52958)]