520049380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^3\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 1226050560

約数和(自身を除く): 706001180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 223, 323, 340, 361, 380, 446, 646, 722, 892, 1115, 1292, 1444, 1615, 1805, 2230, 3230, 3610, 3791, 4237, 4460, 6137, 6460, 6859, 7220, 7582, 8474, 12274, 13718, 15164, 16948, 18955, 21185, 24548, 27436, 30685, 34295, 37910, 42370, 61370, 68590, 72029, 75820, 80503, 84740, 116603, 122740, 137180, 144058, 161006, 233206, 288116, 322012, 360145, 402515, 466412, 583015, 720290, 805030, 1166030, 1368551, 1440580, 1529557, 1610060, 2332060, 2737102, 3059114, 5474204, 6118228, 6842755, 7647785, 13685510, 15295570, 26002469, 27371020, 30591140, 52004938, 104009876, 130012345, 260024690, 520049380]

約数ペア:

[(1, 520049380), (2, 260024690), (4, 130012345), (5, 104009876), (10, 52004938), (17, 30591140), (19, 27371020), (20, 26002469), (34, 15295570), (38, 13685510), (68, 7647785), (76, 6842755), (85, 6118228), (95, 5474204), (170, 3059114), (190, 2737102), (223, 2332060), (323, 1610060), (340, 1529557), (361, 1440580), (380, 1368551), (446, 1166030), (646, 805030), (722, 720290), (892, 583015), (1115, 466412), (1292, 402515), (1444, 360145), (1615, 322012), (1805, 288116), (2230, 233206), (3230, 161006), (3610, 144058), (3791, 137180), (4237, 122740), (4460, 116603), (6137, 84740), (6460, 80503), (6859, 75820), (7220, 72029), (7582, 68590), (8474, 61370), (12274, 42370), (13718, 37910), (15164, 34295), (16948, 30685), (18955, 27436), (21185, 24548)]