8798140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 21213360

約数和(自身を除く): 12415220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 137, 169, 190, 247, 260, 274, 338, 380, 494, 548, 676, 685, 845, 988, 1235, 1370, 1690, 1781, 2470, 2603, 2740, 3211, 3380, 3562, 4940, 5206, 6422, 7124, 8905, 10412, 12844, 13015, 16055, 17810, 23153, 26030, 32110, 33839, 35620, 46306, 52060, 64220, 67678, 92612, 115765, 135356, 169195, 231530, 338390, 439907, 463060, 676780, 879814, 1759628, 2199535, 4399070, 8798140]

約数ペア:

[(1, 8798140), (2, 4399070), (4, 2199535), (5, 1759628), (10, 879814), (13, 676780), (19, 463060), (20, 439907), (26, 338390), (38, 231530), (52, 169195), (65, 135356), (76, 115765), (95, 92612), (130, 67678), (137, 64220), (169, 52060), (190, 46306), (247, 35620), (260, 33839), (274, 32110), (338, 26030), (380, 23153), (494, 17810), (548, 16055), (676, 13015), (685, 12844), (845, 10412), (988, 8905), (1235, 7124), (1370, 6422), (1690, 5206), (1781, 4940), (2470, 3562), (2603, 3380), (2740, 3211)]