2019408020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{11173}}^1$

素因数の和:12480

約数の個数: 48

約数和(自身を含む): 4850767488

約数和(自身を除く): 2831359468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1291, 2582, 5164, 6455, 9037, 11173, 12910, 18074, 22346, 25820, 36148, 44692, 45185, 55865, 78211, 90370, 111730, 156422, 180740, 223460, 312844, 391055, 782110, 1564220, 14424343, 28848686, 57697372, 72121715, 100970401, 144243430, 201940802, 288486860, 403881604, 504852005, 1009704010, 2019408020]

約数ペア:

[(1, 2019408020), (2, 1009704010), (4, 504852005), (5, 403881604), (7, 288486860), (10, 201940802), (14, 144243430), (20, 100970401), (28, 72121715), (35, 57697372), (70, 28848686), (140, 14424343), (1291, 1564220), (2582, 782110), (5164, 391055), (6455, 312844), (9037, 223460), (11173, 180740), (12910, 156422), (18074, 111730), (22346, 90370), (25820, 78211), (36148, 55865), (44692, 45185)]