520483340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{105361}}^1$

素因数の和:105402

約数の個数: 48

約数和(自身を含む): 1239057120

約数和(自身を除く): 718573780

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, 105361, 210722, 421444, 526805, 1053610, 1369693, 2001859, 2107220, 2739386, 4003718, 5478772, 6848465, 8007436, 10009295, 13696930, 20018590, 26024167, 27393860, 40037180, 52048334, 104096668, 130120835, 260241670, 520483340]

約数ペア:

[(1, 520483340), (2, 260241670), (4, 130120835), (5, 104096668), (10, 52048334), (13, 40037180), (19, 27393860), (20, 26024167), (26, 20018590), (38, 13696930), (52, 10009295), (65, 8007436), (76, 6848465), (95, 5478772), (130, 4003718), (190, 2739386), (247, 2107220), (260, 2001859), (380, 1369693), (494, 1053610), (988, 526805), (1235, 421444), (2470, 210722), (4940, 105361)]