1900574780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7309903}}^1$

素因数の和:7309925

約数の個数: 24

約数和(自身を含む): 4298223552

約数和(自身を除く): 2397648772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7309903, 14619806, 29239612, 36549515, 73099030, 95028739, 146198060, 190057478, 380114956, 475143695, 950287390, 1900574780]

約数ペア:

[(1, 1900574780), (2, 950287390), (4, 475143695), (5, 380114956), (10, 190057478), (13, 146198060), (20, 95028739), (26, 73099030), (52, 36549515), (65, 29239612), (130, 14619806), (260, 7309903)]