190210900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 108

約数和(自身を含む): 476219520

約数和(自身を除く): 286008620

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 361, 380, 418, 475, 479, 550, 722, 836, 950, 958, 1045, 1100, 1444, 1805, 1900, 1916, 2090, 2395, 3610, 3971, 4180, 4790, 5225, 5269, 7220, 7942, 9025, 9101, 9580, 10450, 10538, 11975, 15884, 18050, 18202, 19855, 20900, 21076, 23950, 26345, 36100, 36404, 39710, 45505, 47900, 52690, 79420, 91010, 99275, 100111, 105380, 131725, 172919, 182020, 198550, 200222, 227525, 263450, 345838, 397100, 400444, 455050, 500555, 526900, 691676, 864595, 910100, 1001110, 1729190, 1902109, 2002220, 2502775, 3458380, 3804218, 4322975, 5005550, 7608436, 8645950, 9510545, 10011100, 17291900, 19021090, 38042180, 47552725, 95105450, 190210900]

約数ペア:

[(1, 190210900), (2, 95105450), (4, 47552725), (5, 38042180), (10, 19021090), (11, 17291900), (19, 10011100), (20, 9510545), (22, 8645950), (25, 7608436), (38, 5005550), (44, 4322975), (50, 3804218), (55, 3458380), (76, 2502775), (95, 2002220), (100, 1902109), (110, 1729190), (190, 1001110), (209, 910100), (220, 864595), (275, 691676), (361, 526900), (380, 500555), (418, 455050), (475, 400444), (479, 397100), (550, 345838), (722, 263450), (836, 227525), (950, 200222), (958, 198550), (1045, 182020), (1100, 172919), (1444, 131725), (1805, 105380), (1900, 100111), (1916, 99275), (2090, 91010), (2395, 79420), (3610, 52690), (3971, 47900), (4180, 45505), (4790, 39710), (5225, 36404), (5269, 36100), (7220, 26345), (7942, 23950), (9025, 21076), (9101, 20900), (9580, 19855), (10450, 18202), (10538, 18050), (11975, 15884)]