1880496940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13432121}}^1$

素因数の和:13432137

約数の個数: 24

約数和(自身を含む): 4513192992

約数和(自身を除く): 2632696052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13432121, 26864242, 53728484, 67160605, 94024847, 134321210, 188049694, 268642420, 376099388, 470124235, 940248470, 1880496940]

約数ペア:

[(1, 1880496940), (2, 940248470), (4, 470124235), (5, 376099388), (7, 268642420), (10, 188049694), (14, 134321210), (20, 94024847), (28, 67160605), (35, 53728484), (70, 26864242), (140, 13432121)]