265865860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53819}}^1$

素因数の和:53860

約数の個数: 48

約数和(自身を含む): 632923200

約数和(自身を除く): 367057340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 53819, 107638, 215276, 269095, 538190, 699647, 1022561, 1076380, 1399294, 2045122, 2798588, 3498235, 4090244, 5112805, 6996470, 10225610, 13293293, 13992940, 20451220, 26586586, 53173172, 66466465, 132932930, 265865860]

約数ペア:

[(1, 265865860), (2, 132932930), (4, 66466465), (5, 53173172), (10, 26586586), (13, 20451220), (19, 13992940), (20, 13293293), (26, 10225610), (38, 6996470), (52, 5112805), (65, 4090244), (76, 3498235), (95, 2798588), (130, 2045122), (190, 1399294), (247, 1076380), (260, 1022561), (380, 699647), (494, 538190), (988, 269095), (1235, 215276), (2470, 107638), (4940, 53819)]