2901782020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{44221}}^1$

素因数の和:44440

約数の個数: 48

約数和(自身を含む): 6485775408

約数和(自身を除く): 3583993388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 193, 340, 386, 772, 965, 1930, 3281, 3860, 6562, 13124, 16405, 32810, 44221, 65620, 88442, 176884, 221105, 442210, 751757, 884420, 1503514, 3007028, 3758785, 7517570, 8534653, 15035140, 17069306, 34138612, 42673265, 85346530, 145089101, 170693060, 290178202, 580356404, 725445505, 1450891010, 2901782020]

約数ペア:

[(1, 2901782020), (2, 1450891010), (4, 725445505), (5, 580356404), (10, 290178202), (17, 170693060), (20, 145089101), (34, 85346530), (68, 42673265), (85, 34138612), (170, 17069306), (193, 15035140), (340, 8534653), (386, 7517570), (772, 3758785), (965, 3007028), (1930, 1503514), (3281, 884420), (3860, 751757), (6562, 442210), (13124, 221105), (16405, 176884), (32810, 88442), (44221, 65620)]