127912420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1783}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 285925248

約数和(自身を除く): 158012828

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 211, 340, 422, 844, 1055, 1783, 2110, 3566, 3587, 4220, 7132, 7174, 8915, 14348, 17830, 17935, 30311, 35660, 35870, 60622, 71740, 121244, 151555, 303110, 376213, 606220, 752426, 1504852, 1881065, 3762130, 6395621, 7524260, 12791242, 25582484, 31978105, 63956210, 127912420]

約数ペア:

[(1, 127912420), (2, 63956210), (4, 31978105), (5, 25582484), (10, 12791242), (17, 7524260), (20, 6395621), (34, 3762130), (68, 1881065), (85, 1504852), (170, 752426), (211, 606220), (340, 376213), (422, 303110), (844, 151555), (1055, 121244), (1783, 71740), (2110, 60622), (3566, 35870), (3587, 35660), (4220, 30311), (7132, 17935), (7174, 17830), (8915, 14348)]