201018404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 394974720

約数和(自身を除く): 193956316

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 157, 314, 323, 628, 646, 991, 1292, 1982, 2669, 2983, 3964, 5338, 5966, 10676, 11932, 16847, 18829, 33694, 37658, 50711, 67388, 75316, 101422, 155587, 202844, 311174, 320093, 622348, 640186, 1280372, 2644979, 2956153, 5289958, 5912306, 10579916, 11824612, 50254601, 100509202, 201018404]

約数ペア:

[(1, 201018404), (2, 100509202), (4, 50254601), (17, 11824612), (19, 10579916), (34, 5912306), (38, 5289958), (68, 2956153), (76, 2644979), (157, 1280372), (314, 640186), (323, 622348), (628, 320093), (646, 311174), (991, 202844), (1292, 155587), (1982, 101422), (2669, 75316), (2983, 67388), (3964, 50711), (5338, 37658), (5966, 33694), (10676, 18829), (11932, 16847)]