71238580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{508847}}^1$

素因数の和:508863

約数の個数: 24

約数和(自身を含む): 170972928

約数和(自身を除く): 99734348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 508847, 1017694, 2035388, 2544235, 3561929, 5088470, 7123858, 10176940, 14247716, 17809645, 35619290, 71238580]

約数ペア:

[(1, 71238580), (2, 35619290), (4, 17809645), (5, 14247716), (7, 10176940), (10, 7123858), (14, 5088470), (20, 3561929), (28, 2544235), (35, 2035388), (70, 1017694), (140, 508847)]