420875884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{1321}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 867506976

約数和(自身を除く): 446631092

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 557, 572, 1114, 1321, 2228, 2642, 5284, 6127, 7241, 12254, 14482, 14531, 17173, 24508, 28964, 29062, 34346, 58124, 68692, 79651, 159302, 188903, 318604, 377806, 735797, 755612, 1471594, 2943188, 8093767, 9565361, 16187534, 19130722, 32375068, 38261444, 105218971, 210437942, 420875884]

約数ペア:

[(1, 420875884), (2, 210437942), (4, 105218971), (11, 38261444), (13, 32375068), (22, 19130722), (26, 16187534), (44, 9565361), (52, 8093767), (143, 2943188), (286, 1471594), (557, 755612), (572, 735797), (1114, 377806), (1321, 318604), (2228, 188903), (2642, 159302), (5284, 79651), (6127, 68692), (7241, 58124), (12254, 34346), (14482, 29062), (14531, 28964), (17173, 24508)]