268543340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{54361}}^1$

素因数の和:54402

約数の個数: 48

約数和(自身を含む): 639297120

約数和(自身を除く): 370753780

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, 54361, 108722, 217444, 271805, 543610, 706693, 1032859, 1087220, 1413386, 2065718, 2826772, 3533465, 4131436, 5164295, 7066930, 10328590, 13427167, 14133860, 20657180, 26854334, 53708668, 67135835, 134271670, 268543340]

約数ペア:

[(1, 268543340), (2, 134271670), (4, 67135835), (5, 53708668), (10, 26854334), (13, 20657180), (19, 14133860), (20, 13427167), (26, 10328590), (38, 7066930), (52, 5164295), (65, 4131436), (76, 3533465), (95, 2826772), (130, 2065718), (190, 1413386), (247, 1087220), (260, 1032859), (380, 706693), (494, 543610), (988, 271805), (1235, 217444), (2470, 108722), (4940, 54361)]