201422780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{774703}}^1$

素因数の和:774725

約数の個数: 24

約数和(自身を含む): 455525952

約数和(自身を除く): 254103172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 774703, 1549406, 3098812, 3873515, 7747030, 10071139, 15494060, 20142278, 40284556, 50355695, 100711390, 201422780]

約数ペア:

[(1, 201422780), (2, 100711390), (4, 50355695), (5, 40284556), (10, 20142278), (13, 15494060), (20, 10071139), (26, 7747030), (52, 3873515), (65, 3098812), (130, 1549406), (260, 774703)]