20160882700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{285161}}^1$

素因数の和:285283

約数の個数: 72

約数和(自身を含む): 50494205664

約数和(自身を除く): 30333322964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 350, 404, 505, 700, 707, 1010, 1414, 2020, 2525, 2828, 3535, 5050, 7070, 10100, 14140, 17675, 35350, 70700, 285161, 570322, 1140644, 1425805, 1996127, 2851610, 3992254, 5703220, 7129025, 7984508, 9980635, 14258050, 19961270, 28516100, 28801261, 39922540, 49903175, 57602522, 99806350, 115205044, 144006305, 199612700, 201608827, 288012610, 403217654, 576025220, 720031525, 806435308, 1008044135, 1440063050, 2016088270, 2880126100, 4032176540, 5040220675, 10080441350, 20160882700]

約数ペア:

[(1, 20160882700), (2, 10080441350), (4, 5040220675), (5, 4032176540), (7, 2880126100), (10, 2016088270), (14, 1440063050), (20, 1008044135), (25, 806435308), (28, 720031525), (35, 576025220), (50, 403217654), (70, 288012610), (100, 201608827), (101, 199612700), (140, 144006305), (175, 115205044), (202, 99806350), (350, 57602522), (404, 49903175), (505, 39922540), (700, 28801261), (707, 28516100), (1010, 19961270), (1414, 14258050), (2020, 9980635), (2525, 7984508), (2828, 7129025), (3535, 5703220), (5050, 3992254), (7070, 2851610), (10100, 1996127), (14140, 1425805), (17675, 1140644), (35350, 570322), (70700, 285161)]