493754820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3181}}^1$

素因数の和:3405

約数の個数: 96

約数和(自身を含む): 1496812800

約数和(自身を除く): 1003057980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 597, 780, 796, 995, 1194, 1990, 2388, 2587, 2985, 3181, 3980, 5174, 5970, 6362, 7761, 9543, 10348, 11940, 12724, 12935, 15522, 15905, 19086, 25870, 31044, 31810, 38172, 38805, 41353, 47715, 51740, 63620, 77610, 82706, 95430, 124059, 155220, 165412, 190860, 206765, 248118, 413530, 496236, 620295, 633019, 827060, 1240590, 1266038, 1899057, 2481180, 2532076, 3165095, 3798114, 6330190, 7596228, 8229247, 9495285, 12660380, 16458494, 18990570, 24687741, 32916988, 37981140, 41146235, 49375482, 82292470, 98750964, 123438705, 164584940, 246877410, 493754820]

約数ペア:

[(1, 493754820), (2, 246877410), (3, 164584940), (4, 123438705), (5, 98750964), (6, 82292470), (10, 49375482), (12, 41146235), (13, 37981140), (15, 32916988), (20, 24687741), (26, 18990570), (30, 16458494), (39, 12660380), (52, 9495285), (60, 8229247), (65, 7596228), (78, 6330190), (130, 3798114), (156, 3165095), (195, 2532076), (199, 2481180), (260, 1899057), (390, 1266038), (398, 1240590), (597, 827060), (780, 633019), (796, 620295), (995, 496236), (1194, 413530), (1990, 248118), (2388, 206765), (2587, 190860), (2985, 165412), (3181, 155220), (3980, 124059), (5174, 95430), (5970, 82706), (6362, 77610), (7761, 63620), (9543, 51740), (10348, 47715), (11940, 41353), (12724, 38805), (12935, 38172), (15522, 31810), (15905, 31044), (19086, 25870)]