2018481700

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{102461}}^1$

素因数の和:102672

約数の個数: 36

約数和(自身を含む): 4402382292

約数和(自身を除く): 2383900592

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4925, 9850, 19700, 102461, 204922, 409844, 512305, 1024610, 2049220, 2561525, 5123050, 10246100, 20184817, 40369634, 80739268, 100924085, 201848170, 403696340, 504620425, 1009240850, 2018481700]

約数ペア:

[(1, 2018481700), (2, 1009240850), (4, 504620425), (5, 403696340), (10, 201848170), (20, 100924085), (25, 80739268), (50, 40369634), (100, 20184817), (197, 10246100), (394, 5123050), (788, 2561525), (985, 2049220), (1970, 1024610), (3940, 512305), (4925, 409844), (9850, 204922), (19700, 102461)]